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Meaning of continuous wave

contin'uous wave'

Pronunciation: [key]
— Telecommunications. Telecommunications.
  1. an electromagnetic wave of constant amplitude and frequency: used to carry information by being modulated, as in radio or television, or by being interrupted as in radiotelegraphy. Abbr.: CW
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.