All related terms of 'WAVES'

If you wave or wave your hand, you move your hand from side to side in the air, usually in order to say hello or goodbye to someone.

any of several small geometrid moths with wavy markings , such as the common wave ( Deilinia exanthemata ), with grey-marked wings, and the lighter common white wave ( D. pusaria )

the sea

to disturb a situation by changing things or by challenging the way things are done, often in a way that improves the situation

the set of waves that represent the behaviour of an elementary particle, or some atoms and molecules, under certain conditions. The de Broglie wavelength , λ, is given by λ = h/mv , where h is the Planck constant , m the mass, and v the velocity of the particle

radio waves or other electromagnetic radiation resulting from the oscillations of electricity in a conductor

radio waves generated as a continuous train of oscillations having a constant frequency and amplitude

the set of waves that represent the behaviour of an elementary particle , or some atoms and molecules , under certain conditions. The de Broglie wavelength , λ, is given by λ = h/mv , where h is the Planck constant , m the mass, and v the velocity of the particle

The airwaves is used to refer to the activity of broadcasting on radio and television. For example , if someone says something over the airwaves , they say it on the radio or television.

the normal electrical activity of the cerebral cortex , occurring at a frequency of 13 to 30 hertz and detectable with an electroencephalograph

wave that forms at the front of a ship

a sudden spell of low temperatures over a wide area, often following the passage of a cold front

A heatwave is a period of time during which the weather is much hotter than usual .

a radio wave reflected back to the earth by the ionosphere ( ionospheric wave ), permitting transmission around the curved surface of the earth

a stationary wave sometimes formed in an air stream on the leeward side of a hill or mountain range

Long wave is a range of radio waves which are used for broadcasting .

In the arts or in politics, a new wave is a group or movement that deliberately introduces new or unconventional ideas instead of using traditional ones.

any oscillation , such as a sound wave or alternating current , whose waveform is that of a sine curve

a radio wave reflected back to the earth by the ionosphere ( ionospheric wave ), permitting transmission around the curved surface of the earth

Physiology See delta wave

If someone waves down a vehicle, they wave their hand as a signal to the driver to stop the vehicle.

the normal bursts of electrical activity from the cerebral cortex of a drowsy or inactive person, occurring at a frequency of 8 to 12 hertz and detectable with an electroencephalograph

a violent propagating disturbance , produced by an explosion in air, that consists of an abrupt rise in pressure followed by a drop in pressure to or below atmospheric pressure

any of the fluctuations of electrical potential in the brain as represented on an electroencephalogram . They vary in frequency from 1 to 30 hertz

When more crimes than usual are committed in a particular place, you can refer to this as a crime wave .

the normal electrical activity of the cerebral cortex during deep sleep , occurring at a frequency of 1 to 4 hertz and detectable with an electroencephalograph

any of the slowest electrical brain waves, having frequencies less than four hertz and indicating, in adults , deep sleep or brain disease

the movement of light conceptualized as a wave , defined by such properties as reflection , refraction , and dispersion

an electromagnetic wave of radio frequency

a sudden huge wave

A shock wave is an area of very high pressure moving through the air , earth , or water. It is caused by an explosion or an earthquake , or by an object travelling faster than sound .

an electromagnetic wave that is shorter than those used in commercial broadcasting , usually a radio wave 60 meters or less in length

Short-wave is a range of short radio wavelengths used for broadcasting.

Sound waves are the waves of energy that we hear as sound.

any of the electrical brain waves having a frequency between four and eight hertz and associated with a drowsy , semiconscious state of mind

A tidal wave is a very large wave, often caused by an earthquake , that flows onto the land and destroys things.

If you wave aside something such as a suggestion , explanation , or idea, you decide that it is not important enough to consider seriously .

a generally transverse magnetohydrodynamic wave that is propagated in a magnetized plasma

a wave of fixed amplitude and frequency that is modulated in amplitude, frequency, or phase in order to carry a signal in radio transmission , etc

a waveform consisting of a fundamental frequency with superimposed harmonics

a wave set in wet hair by using fingers and comb only

a surface wave on water or other liquid propagated because of the weight of liquid in the crests

a radio wave that travels directly between a transmitting and a receiving aerial

a hairstyle characterized by repeated regular waves, popular in the 1920s

Medium wave is a range of radio waves which are used for broadcasting .

If a crowd of people do a Mexican wave , each person in the crowd stands up and puts their arms in the air after the person to one side of them, creating a continuous wave-like motion through the crowd.

an earth vibration generated by an earthquake or explosion

an oscillation , for example in voltage pulse , that alternates between two fixed values with a negligible transition time between the two, giving a rectangular waveform

an electromagnetic wave , esp. a radio wave, with a constant amplitude and frequency

a shock wave that expands the medium through which it is transmitted