C

Word -> "Mot"	Symbol	Unity	Definition
Callippic cycle -> "Cycle de Callippic"			Four times a "Metonic cycle", time unit introduced by the Greek astronomer Callipus (350 BC).
Cape Rollers -> "Cape Rollers"			The giant waves created by an unusually swift opposing current. See also "Freak wave".
Chart datum -> "Zéro des cartes"			Reference of the soundings on a chart: "Lowest astronomical tide".
Chop -> "Clapot"			Wind driven gravity waves intermediate between "Ripples" and "Wind sea", with a period of one to four seconds. See "Wind waves".
Compound tide -> "Marée composée?"			A harmonic tidal constituent, usually present in shallow water, and which frequency is the difference or the sum of two or more elementary constituents.
Crest -> "Crête"			Highest elevation point of a wave. Part of a wave above the "Still water level".
Crest elevation -> "Elévation de crête"	c	m	Height of the crest referred to "Still water level".
Crest period -> "Période crête"	Tc		Mean time duration between two successive maxima of the water surface elevation. See also "Spectral wave period""T24".
Crest-to-trough height -> "Hauteur crête-a-creux"		m	The difference of height between the crest of a wave and the following trough.
Crest wavelength -> "Longueur intercrêtes"	L	m	Distance between two consecutive crests.
Current -> "Courant"			Horizontal movement of water particles, considered generally as a time constant at the wave period scale, which direction and speed can change with the water depth. "Tidal currents",...
Current direction -> "Direction de courant"			See "Wave direction".