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tidal wave

(Encyclopedia)tidal wave, term properly applied to the crest of a tide as it moves around the earth. The wavelike upstream rush of water caused by the incoming tide in some locations is known as a tidal bore. In po...

tidal theory

(Encyclopedia)tidal theory: see solar system.

brain wave

(Encyclopedia)brain wave: see electroencephalography. ...

carrier wave

(Encyclopedia)carrier wave: see modulation.

wave mechanics

(Encyclopedia)wave mechanics: see quantum theory. ...

shock wave

(Encyclopedia)shock wave, wave formed of a zone of extremely high pressure within a fluid, especially the atmosphere, that propagates through the fluid at a speed in excess of the speed of sound. A shock wave is ca...

surfing

(Encyclopedia)surfing, sport of gliding on a breaking wave. Surfers originally used long, cumbersome wooden boards but now ride lightweight synthetic boards that allow a greater degree of maneuverability. Boards ar...

wave, in physics

(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...

seismic sea wave

(Encyclopedia)seismic sea wave: see tsunami.

tide

(Encyclopedia)tide, alternate and regular rise and fall of sea level in oceans and other large bodies of water. These changes are caused by the gravitational attraction of the moon and, to a lesser extent, of the s...