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wave [ weiv] n.波;波涛 vi.波动

short wave n. 短波

wave [weiv] n.&v.波,波浪, 示意 v. 挥手,挥动,波动

无风不起浪 There are no waves without wind. There's no smoke without fire.

CW Carrie Wave 载波

SAW Surface Acoustic Wave 声表面波

SAWF Surface Acoustic Wave Filter 声表面波滤波器

SW Short Wave 短波

UW Ultrasonic Wave 超声波

WFM Wave Form Monitor 波形监视器

天气恶劣、天气坏 heavy weather
大雨 heavy rain
大风 heavy wind,strong wind high wind(注:风吹得越高high,当然风力越大)
大雪 heavy snow
大雾 heavy fog,thick fog
云雾大 heavy cloud,dense cloud
大浪 heavy seas,rough sea,big waves
霜大,霜厚 heavy frost
潮气大 heavy moisture
大雷、雷声大 heavy thunder

无风不起浪 There are no waves without wind. There's no smoke without fire.

冲击波 shock wave; blast wave

tidal waves 潮汐波,浪潮

旅游热 Tourism Wave

电磁场与电磁波 Electromagnetic Fields & Magnetic Waves

comprex pressure wave supercharger

wave in motion

centimetric waves

micrometirc waves

sine-wave amplitude modulation

voltage standing wave(VSW)

voltage standing wave ratio(VSWR)

quarter-wave antenna

acoustic wave

The waves surged against the shore.

Waves were striking against the shore.

He gave a little wave, and with that, he was gone.
他略挥一下手, 然后就走了。

The people applauded with joy as the singer waved to them.

Would he have seen you if you hadn't waved to him?

Can this radio receive short-wave?

You can receive our program at short wave 37.5 MH.

Although these molecules allow radiation at visible at wave lengths, where most of the energy of sunlight is concentrated, to pass through, they absorb some of the longer-wavelength, infrared emission radiated from the Earth,s surface, radiation that would otherwise be transmitted back into space.

He waved his hand to catch my attention.

The ship sank beneath the waves.

The waves danced in the sunlight.

Her love for him never waved.

I had no sooner stood up than he waved me to remain sitting.

She has a natural wave in her hair.

Acoustic wave 声波

Compressional wave 压缩波

Continuous wave 连续波

Creeping wave 爬波

Dilatational wave 膨胀波

Flexural wave 弯曲波

Full- wave direct current(FWDC) 全波直流

Half- wave current (HW) 半波电流

Head wave 头波

Lamb wave 兰姆波

Longitudinal wave 纵波

Longitudinal wave probe 纵波探头

Longitudinal wave technique 纵波法

Love wave 乐甫波

Plane wave 平面波

Plate wave 板波

Plate wave technique 板波法

Rayleigh wave 瑞利波

Shear wave 切变波

Shear wave probe 横波探头

Shear wave technique 横波法

Standing wave; stationary wave 驻波

Surface wave 表面波

Surface wave probe 表面波探头

Surface wave technique 表面波法

Transverse wave 横波


Wave guide acoustic emission 声发射波导杆

Wave train 波列

Wave from 波形

Wave front 波前

Wave length 波长

Wave node 波节

Wave train 波列

gross someone out让某人觉得恶心
Mike grossed Sue out when he waved a snake in front of her face.

- Make waves 兴风作浪
Everything went smoothly in her wedding ceremony, when her formal boyfriend came to make waves by drinking the bridegroom under the table.

波动 undulation; undulate; wave; popple

波浪 wave

行波 travelling wave

奔腾 [bēn téng] /(of waves) to surge forward/to roll on in waves/to gallop/

波 [bō] /wave/ripple/storm/surge/

波导 [bō dǎo] /wave guide/

波动 [bō dòng] /undulate/fluctuate/wave motion/

波段 [bō duàn] /wave band/

波峰 [bō fēng] /wave crest/

波澜 [bō lán] /great waves/billows/

波浪 [bō làng] /wave/

波涛 [bō tāo] /great waves/billows/

簸 [bò] /dust pan/toss (as waves)/

超音波 [chāo yīn bō] /ultrasound/ultrasonic wave/

电磁波 [diàn cí bō] /electromagnetic wave/

短波 [duǎn bō] /short-wave (radio)/

风浪 [fēng làng] /(n) wind and waves; storm tossed sea/

辐射波 [fú shè bō] /radiation (wave)/radiated wave/

浪 [làng] /wave/breaker/unrestrained/dissipated/

浪潮 [làng cháo] /wave/tides/

浪头 [làng tou ] /wave/

湃 [pài] /sound of waves/

澎 [péng] /sound of waves/

飘扬 [piāo yáng] /wave/flutter/fly/

前赴后继 [qián fù hòu jì] /(saying) advance in waves of people/

涛 [tāo] /big wave/

无线电波 [wú xiàn diàn bō] /radio waves/wireless electric wave/

舞弄 [wǔ nòng] /to wave/to brandish/

招手 [zhāo shǒu] /to wave/beckon/

阵 [zhèn] /disposition of troops/short period/wave/spate/burst/spell/

指手画脚 [zhǐ shǒu huà jiǎo] /(saying) to gesticulate while talking; wave ones hands about as criticism/

When the United States built its industrials infrastructure, it didn't have the capital to do so.
And that is why America's Second Wave infrastructure — including roads, harbors, highways, ports and so on — were built with foreign investment.
The English, the Germans, the Dutch and the French were investing in Britain's former colony.
They financed them. Immigrant Americans built them.
Guess who owns them now? The Americans.

The more foreign capital you have helping you build your Third Wave infrastructure, which today is an electronic infrastructure, the better off you're going to be.
That doesn't mean lying down and becoming fooled, or letting foreign corporations run uncontrolled.
But it does mean recognizing how important they can be in building the energy and telecom infrastructures needed to take full advantage of the Internet.

The world is going through the biggest wave of mergers and acquisitions ever witnessed.
The process sweeps from hyperactive America to Europe and reaches the emerging countries with unsurpassed might.
Many in these countries are looking at this process and worrying: "Won't the wave of business concentration turn into an uncontrollable anti-competitive force?"

I believe that the most important forces behind the massive M&A wave are the same that underlie the globalization process: falling transportation and communication costs, lower trade and investment barriers and enlarged markets that require enlarged operations capable of meeting customers' demands.

Examples of benefits or costs of the current concentration wave are scanty.
Yet it is hard to imagine that the merger of a few oil firms today could re-create the same threats to competition that were feared nearly a century ago in the US, when the Standard Oil trust was broken up.
The mergers of telecom companies, such as World Com, hardly seem to bring higher prices for consumers or a reduction in the pace of technical progress.
On the contrary, the price of communications is coming down fast.

Not all that shift can be attributed to the movement out of the snow belt, census officials say.
Nonstop waves of immigrants played a role, too — and so did bigger crops of babies as yesterday's "baby boom" generation reached its child-bearing years.

{adj: aflare, flaring, flying, waving} streaming or flapping or spreading wide as if in a current of air
"ran quickly, her flaring coat behind her"
"flying banners"
"flags waving in the breeze"

{adj: bifilar} having or using two filaments
"a bifilar suspension of a waving part of an instrument"

{adj: billowy, billowing, surging} characterized by great swelling waves or surges
"billowy storm clouds"
"the restless billowing sea"
"surging waves"

{adj: boisterous, fierce, rough} violently agitated and turbulent
"boisterous winds and waves"
"the fierce thunders roar me their music"- Ezra Pound
"rough weather"
"rough seas"

{adj: breaking} (of waves) curling over and crashing into surf or spray
"the breaking waves"

{adj: bright, burnished, lustrous, shining, shiny} made smooth and bright by or as if by rubbing; reflecting a sheen or glow
"bright silver candlesticks"
"a burnished brass knocker"
"she brushed her hair until it fell in lustrous auburn waves"
"rows of shining glasses"
"shiny black patents"

{adj: bubbling, foaming, foamy, frothing, spumous, spumy, sudsy} covered with or resembling small bubbles as from being agitated by beating or heating
"the bubbling candy mixture"
"a cup of foaming cocoa"
"frothy milkshakes"
"frothy waves"
"spumy surf"

{adj: chauvinistic, flag-waving, jingoistic, nationalistic, ultranationalistic, superpatriotic} fanatically patriotic

{adj: choppy} rough with small waves
"choppy seas"

{adj: coseismic, coseismal} being where earthquake waves arrive simultaneously

{adj: crinkled, crinkly, rippled, wavy, wavelike} uneven by virtue of having wrinkles or waves

{adj: curly} (of hair) having curls or waves
"they envied her naturally curly hair"
<-> straight

{adj: dabbled, spattered, splashed, splattered} covered with bright patches (often used in combination)
"waves dabbled with moonlight"
"a blood-spattered room"
"gardens splashed with color"
"kitchen walls splattered with grease"

{adj: deflective, refractive} capable of changing the direction (of a light or sound wave)

{adj: dreamy, lackadaisical, languid, languorous} lacking spirit or liveliness
"a lackadaisical attempt"
"a languid mood"
"a languid wave of the hand"
"a hot languorous afternoon"

{adj: dull, muffled, muted, softened} being or made softer or less loud or clear
"the dull boom of distant breaking waves"
"muffled drums"
"the muffled noises of the street"
"muted trumpets"

{adj: endless} infinitely great in number
"endless waves"

{adj: erosive} wearing away by friction
"the erosive effects of waves on the shoreline"

{adj: flaccid, lax, limp, slack} lacking in strength or firmness or resilience
"flaccid muscles"
"took his lax hand in hers"
"gave a limp handshake"
"a limp gesture as if waving away all desire to know" G.K.Chesterton
"a slack grip"

{adj: heaving} rising and falling alternately as in waves
"the heaving waves in the storm-tossed sea"
"the exhausted dog's heaving chest"

{adj: huge, immense, vast, Brobdingnagian} unusually great in size or amount or degree or especially extent or scope
"huge government spending"
"huge country estates"
"huge popular demand for higher education"
"a huge wave"
"the Los Angeles aqueduct winds like an immense snake along the base of the mountains"
"immense numbers of birds"
"at vast (or immense) expense"
"the vast reaches of outer space"
"the vast accumulation of knowledge...which we call civilization"- W.R.Inge

{adj: imperious, masterful} able to deal authoritatively with affairs
"dismissed the matter with an imperious wave of her hand"

{adj: impetuous} marked by violent force
"impetuous heaving waves"

{adj: infrared} having or employing wavelengths longer than light but shorter than radio waves; lying outside the visible spectrum at its red end
"infrared radiation"
"infrared photography"

{adj: mountainous} like a mountain in size and impressiveness
"mountainous waves"
"a mountainous dark man"

{adj: murmuring, susurrant, whispering} making a low continuous indistinct sound
"like murmuring waves"
"susurrant voices"

{adj: palpable, tangible} capable of being perceived by the senses or the mind; especially capable of being handled or touched or felt
"a barely palpable dust"
"felt sudden anger in a palpable wave"
"the air was warm and close--palpable as cotton"
<-> impalpable

{adj: placid, quiet, still, tranquil, smooth, unruffled} (of a body of water) free from disturbance by heavy waves
"a ribbon of sand between the angry sea and the placid bay"
"the quiet waters of a lagoon"
"a lake of tranquil blue water reflecting a tranquil blue sky"
"a smooth channel crossing"
"scarcely a ripple on the still water"
"unruffled water"

{adj: plane-polarized} (of a moving wave) vibrating in a single plane
"plane-polarized light"

{adj: pulsed} produced or transmitted or modulated in short bursts or pulses
"pulsed electromagnetic waves"
"pulsed light"
"pulsed ultrasonic energy"

{adj: quiescent} not active or activated
"the quiescent level of centimeter wave-length solar radiation"

{adj: red} red with or characterized by blood
"waving our red weapons o'er our heads"- Shakespeare
"The Red Badge of Courage"
"the red rules of tooth and claw"- P.B.Sears

{adj: rippled, ruffled} shaken into waves or undulations as by wind
"the rippled surface of the pond"
"with ruffled flags flying"

{adj: seething} in constant agitation
"a seething flag-waving crowd filled the streets"
"a seething mass of maggots"
"lovers and madmen have such seething brains"- Shakespeare

{adj: sinuate} having a strongly waved margin alternately concave and convex

{adj: sinusoidal} having a succession of waves or curves

{adj: sonic} relating to audible sound
"a sonic wave"

{adj: straight} (of hair) having no waves or curls
"her naturally straight hair hung long and silky"
<-> curly

{adj: tidal} of or relating to or caused by tides
"tidal wave"

{adj: undulatory, undulant} resembling waves in form or outline or motion

{adj: unpermed} not having had a permanent wave
"smooth glossy unpermed hair"

{adj: water-washed} washed or swept with water especially waves of the sea

{adj: wavy} of hair in waves
"she had long wavy hair"

{adv: away, off, forth} from a particular thing or place or position (`forth' is obsolete)
"ran away from the lion"
"wanted to get away from there"
"sent the children away to boarding school"
"the teacher waved the children away from the dead animal"
"went off to school"
"they drove off"
"go forth and preach"

{adv: bannerlike} like a banner
"She waved her scarf at him bannerlike"

{adv: broadside} with a side facing an object
"the train hit the truck broadside"
"the wave caught the canoe broadside and capsized it"

{adv: here} in or at this place; where the speaker or writer is
"I work here"
"turn here"
"radio waves received here on Earth"
<-> there

{n: Bose-Einstein statistics} (physics) statistical law obeyed by a system of particles whose wave function is not changed when two particles are interchanged (the Pauli exclusion principle does not apply)

{n: Broglie, de Broglie, Louis Victor de Broglie} French nuclear physicist who generalized the wave-particle duality by proposing that particles of matter exhibit wavelike properties (1892-1987)

{n: D-layer, D region} the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves

{n: De Forest, Lee De Forest, Father of Radio} United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)

{n: Doppler effect, Doppler shift} change in the apparent frequency of a wave as observer and source move toward or away from each other

{n: Dylan} Celtic god of the waves; son of Arianrhod

{n: Fermi-Dirac statistics} (physics) law obeyed by a systems of particles whose wave function changes when two particles are interchanged (the Pauli exclusion principle applies)

{n: Heaviside layer, Kennelly-Heaviside layer, E layer, E region} a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length

{n: Heaviside, Oliver Heaviside} English physicist and electrical engineer who helped develop telegraphic and telephonic communications; in 1902 (independent of A. E. Kennelly) he suggested the existence of an atmospheric layer that reflects radio waves back to earth (1850-1925)

{n: Hertz, Heinrich Hertz, Heinrich Rudolph Hertz} German physicist who was the first to produce electromagnetic waves artificially (1857-1894)

{n: Hertzian wave} an electromagnetic wave generated by oscillations in an electric circuit

{n: Hooke, Robert Hooke} English scientist who formulated the law of elasticity and proposed a wave theory of light and formulated a theory of planetary motion and proposed the inverse square law of gravitational attraction and discovered the cellular structure of cork and introduced the term `cell' into biology and invented a balance spring for watches (1635-1703)

{n: Huygens, Christiaan Huygens, Christian Huygens} Dutch physicist who first formulated the wave theory of light (1629-1695)

{n: Kennelly, A. E. Kennelly, Arthur Edwin Kennelly} United States electrical engineer noted for his work on the theory of alternating currents; independently of Oliver Heaviside he discovered the existence of an atmospheric layer that reflects radio waves back to earth (1861-1939)

{n: New Wave, Nouvelle Vague} an art movement in French cinema in the 1960s

{n: New Waver} a film maker who follows New Wave ideas

{n: Planck's law} (physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality is give by Planck's constant

{n: Rayleigh disk} an acoustic radiometer consisting of a light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity

{n: Schrodinger equation, Schrodinger wave equation} the fundamental equation of wave mechanics

{n: Schrodinger, Erwin Schrodinger} Austrian physicist who discovered the wave equation (1887-1961)

{n: Wave} a member of the women's reserve of the United States Navy; originally organized during World War II but now no longer a separate branch

{n: Young, Thomas Young} British physicist and Egyptologist; he revived the wave theory of light and proposed a three-component theory of color vision; he also played an important role in deciphering the hieroglyphics on the Rosetta Stone (1773-1829)

{n: acoustic delay line, sonic delay line} a delay line based on the time of propagation of sound waves

{n: acoustic radiation pressure} (acoustics) the pressure exerted on a surface normal to the direction of propagation of a sound wave

{n: air wave} a sound wave that is transmitted via air

{n: alpha rhythm, alpha wave} the normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz

{n: amplitude modulation, AM} modulation of the amplitude of the (radio) carrier wave

{n: amplitude} (physics) the maximum displacement of a periodic wave

{n: asynchronism, asynchrony, desynchronization, desynchronisation, desynchronizing} the relation that exists when things occur at unrelated times
"the stimulus produced a desynchronizing of the brain waves"
<-> synchronism, synchronization, synchronizing

{n: audio, audio frequency} an audible acoustic wave frequency

{n: avant-garde, vanguard, van, new wave} any creative group active in the innovation and application of new concepts and techniques in a given field (especially in the arts)

{n: beat} a single pulsation of an oscillation produced by adding two waves of different frequencies; has a frequency equal to the difference between the two oscillations

{n: beta rhythm, beta wave} the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz

{n: billow, surge} a large sea wave

{n: brainwave, brain wave, cortical potential} (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph

{n: carrier wave, carrier} a radio wave that can be modulated in order to transmit a signal

{n: chop} the irregular motion of waves (usually caused by wind blowing in a direction opposite to the tide)
"the boat headed into the chop"

{n: cold wave} a wave of unusually cold weather

{n: condenser microphone, capacitor microphone} microphone consisting of a capacitor with one plate fixed and the other forming the diaphragm moved by sound waves

{n: corpuscular theory, corpuscular theory of light} (physics) the theory that light is transmitted as a stream of particles
<-> wave theory of light, wave theory

{n: crest} the top line of a hill, mountain, or wave

{n: crime wave} a sudden rise in the crime rate

{n: crimp} a lock of hair that has been artificially waved or curled

{n: crystal microphone} a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage

{n: deflection, deflexion, refraction} the amount by which a propagating wave is bent

{n: delta rhythm, delta wave} the normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)

{n: demodulation} (electronics) the reception of a signal by extracting it from the carrier wave

{n: detector, demodulator} rectifier that extracts modulation from a radio carrier wave

{n: diaphragm} electro-acoustic transducer that vibrates to receive or produce sound waves

{n: diffuser, diffusor} baffle that distributes sound waves evenly

{n: direction finder} radio; determines the direction of incoming radio waves

{n: duality, wave-particle duality} (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory

{n: electromagnetic delay line} a delay line based on the time of propagation of electromagnetic waves

{n: electromagnetic radiation, electromagnetic wave, nonparticulate radiation} radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge

{n: electromagnetic spectrum} the entire frequency range of electromagnetic waves

{n: electromyograph} a medical instrument that records the electrical waves associated with the activity of skeletal muscles

{n: ether, aether} a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves

{n: finger wave} a wave made with the fingers

{n: flag waving, jingoism} an appeal intended to arouse patriotic emotions

{n: flourish, brandish} the act of waving

{n: fluctuation} a wave motion
"the fluctuations of the sea"

{n: frequency modulation, FM} modulation of the frequency of the (radio) carrier wave

{n: fuel-air explosive, FAE} a device consisting of a container of fuel and two explosive charges; the first charge bursts open the fuel container at a predetermined height and spreads the fuel in a cloud that mixes with atmospheric oxygen; the second charge detonates the cloud which creates an enormous blast wave and incinerates whatever is below

{n: full-wave rectifier} rectifier that converts the negative half wave of an alternating current into a positive half wave

{n: gravity wave, gravitation wave} (physics) a wave that is hypothesized to propagate gravity and to travel at the speed of light

{n: ground wave} a radio wave propagated on or near the earth's surface

{n: halcyon} a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves

{n: head sea} a sea in which the waves are running directly against the course of the ship

{n: heat wave} a wave of unusually hot weather

{n: heave, heaving} an upward movement (especially a rhythmical rising and falling)
"the heaving of waves on a rough sea"

{n: infrared, infrared frequency} the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
"they could sense radiation in the infrared"

{n: infrared, infrared light, infrared radiation, infrared emission} electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves

{n: interferometer} any measuring instrument that uses interference patterns to make accurate measurements of waves

{n: ionospheric wave} a sky wave that is reflected by the ionosphere

{n: lens, crystalline lens} biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina

{n: lift, rise} a wave that lifts the surface of the water or ground

{n: light time} distance measured in terms of the speed of light (or radio waves)
"the light time from Jupiter to the sun is approximately 43 minutes"

{n: long wave} a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)

{n: marcel} a hairdo characterized by deep regular waves that are made by a heated curling iron

{n: medium wave} a radio wave with a wavelength between 100 and 1000 meters (a frequency between 300 kilohertz and 3000 kilohertz)

{n: microphone, mike} device for converting sound waves into electrical energy

{n: microphoning} the transduction of sound waves into electrical waves (by a microphone)

{n: microwave, microwave oven} kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food

{n: microwave} a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data

{n: modulation} (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase

{n: organ of Corti} the hearing organ of the inner ear; contains receptors that respond to sound waves

{n: oscillograph} a device for making a record of the wave forms of fluctuating voltages or currents

{n: overshoot, wave-off, go-around} an approach that fails and gives way to another attempt

{n: patriotism, nationalism} love of country and willingness to sacrifice for it
"they rode the same wave of popular patriotism"
"British nationalism was in the air and patriotic sentiments ran high"

{n: permanent wave, permanent, perm} a series of waves in the hair made by applying heat and chemicals

{n: phase modulation, PM} modulation of the phase of the carrier wave

{n: polarization, polarisation} the phenomenon in which waves of light or other radiation are restricted in direction of vibration

{n: principle of superposition, Huygens' principle of superposition} the displacement of any point due to the superposition of wave systems is equal to the sum of the displacements of the individual waves at that point
"the principle of superposition is the basis of the wave theory of light"

{n: propagation} the movement of a wave through a medium

{n: pulsation, pulsing, pulse, impulse} (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
"the pulsations seemed to be coming from a star"

{n: quasar, quasi-stellar radio source} a starlike object that may send out radio waves and other forms of energy; many have large red shifts

{n: radiant flux} the rate of flow of radiant energy (electromagnetic waves)

{n: radiation pressure, corpuscular-radiation pressure} the minute pressure exerted on a surface normal to the direction of propagation of a wave

{n: radiation} energy that is radiated or transmitted in the form of rays or waves or particles

{n: radio astronomy} the branch of astronomy that detects and studies the radio waves emitted by celestial bodies

{n: radio brightness} the strength of a radio wave picked up by a radio telescope

{n: radio frequency} an electromagnetic wave frequency between audio and infrared

{n: radio signal} a radio wave used to transmit and receive messages

{n: radio source} an object that radiates radio waves

{n: radio wave, radio emission, radio radiation} an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m

{n: radio, wireless} a communication system based on broadcasting electromagnetic waves

{n: radiophotograph, radiophoto} a photograph transmitted by radio waves

{n: radiophotography} transmission of photographs by radio waves

{n: radiotelephone, radiophone, wireless telephone} a telephone that communicates by radio waves rather than along cables

{n: radome, radar dome} a housing for a radar antenna; transparent to radio waves

{n: rarefaction} a decrease in the density of something
"a sound wave causes periodic rarefactions in its medium"

{n: red flag} something that irritates or demands immediate action
"doing that is like waving a red flag in front of a bull"

{n: reflection, reflexion} the phenomenon of a propagating wave (light or sound) being thrown back from a surface

{n: refraction} the change in direction of a propagating wave (light or sound) when passing from one medium to another

{n: resonator, cavity resonator, resonating chamber} a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves

{n: ripple, rippling, riffle, wavelet} a small wave on the surface of a liquid

{n: roller, roll, rolling wave} a long heavy sea wave as it advances towards the shore

{n: rydberg, rydberg constant, rydberg unit} a wave number characteristic of the wave spectrum of each element

{n: sea spray} spray from ocean waves

{n: seeker} a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)

{n: seiche} a wave on the surface of a lake or landlocked bay; caused by atmospheric or seismic disturbances

{n: shearwater} long-winged oceanic bird that in flight skims close to the waves

{n: shock wave, blast wave} a region of high pressure travelling through a gas at a high velocity
"the explosion created a shock wave"

{n: short wave} a radio wave with a wavelength less than 100 meters (a frequency greater than 3 megahertz)

{n: shortwave diathermy machine} a diathermy machine that uses short wave radiation as the source of heat

{n: sine wave} a wave whose waveform resembles a sine curve

{n: sky wave} a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface

{n: soliton, soliton wave, solitary wave} (physics) a quantum of energy or quasiparticle that can be propagated as a traveling wave in nonlinear systems and is neither preceded nor followed by another such disturbance; does not obey the superposition principle and does not dissipate
"soliton waves can travel long distances with little loss of energy or structure"

{n: sonic boom} an explosive sound caused by the shock wave of an airplane traveling faster than the speed of sound
"a sonic boom follows an aircraft as a wake follows a ship"

{n: sonic depth finder, fathometer} depth finder for determining depth of water or a submerged object by means of ultrasound waves

{n: sonogram, echogram} an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs

{n: sonography, ultrasonography, echography, ultrasound} using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

{n: sonograph} an instrument that uses the differential transmission and reflection of ultrasonic waves in order to provide an image of a bodily organ

{n: sound wave, acoustic wave} (acoustics) a wave that transmits sound

{n: spectrum} an ordered array of the components of an emission or wave

{n: spray} water in small drops in the atmosphere; blown from waves or thrown up by a waterfall

{n: standing wave, stationary wave} a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one point to that at any other point does not vary with time

{n: surf casting, surf fishing} casting (artificial) bait far out into the ocean (up to 200 yards) with the waves breaking around you

{n: surf, breaker, breakers} waves breaking on the shore

{n: surfing, surfboarding, surfriding} the sport of riding a surfboard toward the shore on the crest of a wave

{n: swash} the movement or sound of water
"the swash of waves on the beach"

{n: swell, crestless wave} the undulating movement of the surface of the open sea

{n: synchronism, synchrony, synchronicity, synchroneity, synchronization, synchronisation, synchronizing} the relation that exists when things occur at the same time
"the drug produces an increased synchrony of the brain waves"
<-> asynchronism, desynchronization, desynchronizing

{n: television equipment, video equipment} electronic equipment that broadcasts or receives electromagnetic waves representing images and sound

{n: theta rhythm, theta wave} the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude

{n: tidal bore, bore, eagre, aegir, eager} a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

{n: tidal wave} a wave resulting from the periodic flow of the tides that is caused by the gravitational attraction of the moon and sun

{n: tidal wave} an overwhelming manifestation of some emotion or phenomenon
"a tidal wave of nausea"
"the flood of letters hit him with the force of a tidal wave"

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