Any of several forms of vibrational waves that travel through the Earth as the result of an earthquake or underground explosion.

(physics) Any wave that is propagated by the compression of a fluid; examples include sound

plural of tidal wave

plural of alpha wave

A short period of very cold weather. / A permanent wave in the hair set by special solutions without the aid of any heating machine.

(physics) A fluctuation in spacetime caused by accelerating mass, which propagates as a wave at the speed of light. / (dated, proscribed) A gravity wave.

A wave that is shoaling, and shallow when it hits land.

(physics, mathematics) A vector whose direction is that of the direction of propagation of a wave, and whose magnitude is inversely proportional to its wavelength

(nautical, surfing) An unexpected, dangerously large wave.

(UK, Ireland, Australia, New Zealand) A phenomenon that primarily occurs at sports events, where the members of the crowd stand up and/or raise their hands in turn, creating the illusion of a wave passing through the crowd.