Meaning of the word diaphragm in English

What does diaphragm mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

diaphragm

US /ˈdaɪ.ə.fræm/
UK /ˈdaɪ.ə.fræm/
"diaphragm" picture

Noun

1.

a dome-shaped muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs.

Example:
The doctor explained how the diaphragm helps us breathe.
A strong cough involves the rapid contraction of the diaphragm.
2.

a thin disc or membrane, especially one that vibrates to produce or transmit sound or to regulate the flow of a fluid.

Example:
The microphone uses a sensitive diaphragm to capture sound waves.
The camera's diaphragm controls the amount of light entering the lens.
3.

a contraceptive device consisting of a flexible, dome-shaped cup that is inserted into the vagina to cover the cervix and prevent sperm from entering the uterus.

Example:
She discussed using a diaphragm as a birth control method with her doctor.
Proper fitting is essential for the effectiveness of a contraceptive diaphragm.