Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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color phase one of two or more specific colorings, determined by age or season, that are assumed by certain animals. [2 definitions]
phase in to incorporate or introduce in stages.
phase modulation in radio transmission, variation of the phase of a carrier wave in accordance with the amplitude of a modulating signal such as speech.
phase-contrast microscope a microscope that uses the different phases of light from different parts of an observed object to produce an image with high contrast among its parts.
phase-out a gradual withdrawal or termination of operations, production, services, or the like.
three-phase of, designating, or pertaining to an electrical circuit, system, or device powered by three alternating electromotive forces that differ in phase by one-third of a cycle, or 120 electrical degrees.