Date: 1300-1400
Language: Late Latin
Origin: diaphragma, from Greek diaphrassein 'to make a fence across, block'


di‧a‧phragm [countable]
1HB the muscle that is between your lungs and your stomach, and that you use when you breathe
2MB a round rubber object that a woman can put inside her vagina to stop her from getting pregnant
3TCC technical a thin round object, especially in a telephone or loudspeaker, that is moved by sound or that moves when it produces sound
4 technical a round flat part inside a camera that controls the amount of light that enters the camera

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