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WAVE-CUT TERRACE: A level surface formed by wave erosion of coastal bedrock to the bottom of the turbulent breaker zone. May appear above sea level if uplifted or if sea level drops.

WAVE HEIGHT: The vertical distance from the trough to the crest of a wave.

WAVELENGTH: The distance between two successive peaks, or between troughs, of a wave.

WAVE REFRACTION: The bending of water waves as they encounter different depths and bottom conditions, or of other waves as they pass from one medium to another of different properties.

WEATHERING: The set of all processes that decay and break up rock by a combination of physical fracturing and chemical decomposition.

WORLD OCEAN: The combination of all the individual oceans (Atlantic, Pacific, and so on) considered as a single interconnected body of water.