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di·a·phragm

diaphragm

 
pronunciation:
daI fraem
features:
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part of speech: noun
definition 1: a wall of muscle that separates the chest and abdomen in humans and certain animals.
definition 2: a thin disk in electronic tools such as microphones, speakers, and telephones. In a microphone, the diaphragm changes sound vibrations into electrical signals. In a speaker, it changes electrical signals into sound vibrations.
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