They make learning fun and fast Boom is supersonic the first civil supersonic jet made in america breaks the sound barrier The meaning of boom is to make a deep hollow sound How to use boom in a sentence. In television and movie making, a boom is a long, movable pole that has a microphone (= device that records sound) or camera on one end. Discover everything about the word boom in english
Boom verb [i] (increase) if something is booming, it is increasing or becoming more successful or popular very quickly:
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