Meaning of DIAPHRAGM in English

[ 'dʌɪəfram ]

■ noun

1》 a dome-shaped muscular partition separating the thorax from the abdomen in mammals.

2》 a thin sheet of material forming a partition.

↘a taut flexible membrane in mechanical or acoustic systems.

3》 a thin contraceptive cap fitting over the cervix.

4》 a device for varying the effective aperture of the lens in a camera or other optical system.


~atic adjective


ME: from late L. ~a , from Gk, from dia 'through, apart' + phragma 'a fence'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.