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triangle wave
(mathematics, engineering) A function or waveform that alternately ramps linearly upwards and then downwards.
continuous wave
An electromagnetic wave of constant amplitude and frequency, typically a sine wave, that for mathematical analysis is considered to be of infinite duration.
Windsor wave
A subdued waving gesture used by the British royal family to acknowledge the public.
Rossby wave
A natural phenomenon in the atmospheres and oceans of planets, a kind of inertial wave that is largely due to planetary rotation.
catch a wave
(surfing) To mount one's surfboard at a distance from shore, turn it toward land, and control it for a successful, satisfying ride on inrushing water.
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
finger wave
A method of curling the hair by pinching it between the fingers and combing in alternate directions.
second wave
(virology) A phenomenon that can develop during a pandemic where after a group recovers and infections appear to decrease, another group becomes infected and causes a recurrence in cases.
æther wave
(historical, physics) a quantum of light, a photon, an electromagnetic wave -- understood as being a disturbance in the æther, a substance believed to provide the medium for light in vacuum
rosy wave
The geometrid moth Scopula emutaria.
blue wave
(US politics) A surge of voters supporting the candidates of the Democratic Party during an election (especially a midterm election), which results in the party making significant gains.
