diaphragm Meaning, definition in Cambridge English Dictionary
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Meaning of "diaphragm" - English Dictionary

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diaphragmnoun [C]

uk   us   /ˈdaɪ.ə.fræm/

diaphragm noun [C] (MUSCLE)

the muscle that separates the chest from the lower part of the body

diaphragm noun [C] (BIRTH CONTROL)

a circular rubber device that a woman puts inside her vagina before having sex, to avoid becoming pregnant

diaphragm noun [C] (COVER)

specialized engineering any thin piece of material stretched across an opening
(Definition of diaphragm from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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