(mathematics, engineering, signal processing) A function or waveform that alternates regularly and instantaneously between two levels.

The effect on a wave, in a body of water, of increasing wave height with decreasing water depth. Particularly noticeable at the sea shore.

plural of hot wave

plural of Mexican wave

plural of wave packet

a radio wave with a frequency between 300 kHz and 3 MHz.

plural of heat wave

(idiomatic) to reject or dismiss with a hand gesture / (idiomatic, by extension) to brush aside or sweep under the rug

(transitive) To cause (a moving vehicle) to stop by using an arm gesture.

(transitive) To say goodbye to someone with a wave (hand gesture) / (basketball) Of a referee, to disallow a field goal with the aforementioned hand gesture.