Meaning & use

diaphragm

noun·Academic

The dome-shaped muscle beneath the lungs that contracts and relaxes to control breathing.

See it in a sentence

Singers learn to breathe from the diaphragm to sustain long notes.

A sudden hiccup happens when the diaphragm spasms involuntarily and forces air past the vocal cords.

A note on using this word

Diaphragm can also refer to a dome-shaped contraceptive device or to a vibrating disk in a speaker or camera lens.

Words with a similar meaning

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