different between diaphragm vs femidom

English

Etymology

From Ancient Greek ????????? (diáphragma, “partition”), from ??? (diá, “across”) and ?????? (phrágma, “barrier”), from the verb ?????? (phráss?).

Pronunciation

• IPA^(key): /?da???f?æm/

Noun

diaphragm (plural diaphragms)

1. (anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm.
2. (anatomy) Any of various membranes or sheets of muscle or ligament which separate one cavity from another.
3. A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.
4. (mechanics) A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies.
5. (acoustics) In a speaker, the thin, semi-rigid membrane which vibrates to produce sound.
6. (optics, photography) A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device.
7. (chemistry) A permeable or semipermeable membrane.
8. (construction) A floor slab, metal wall panel, roof panel or the like, having a sufficiently large in-plane shear stiffness and sufficient strength to transmit horizontal forces to resisting systems.

Derived terms

Translations

Verb

diaphragm (third-person singular simple present diaphragms, present participle diaphragming, simple past and past participle diaphragmed)

1. (optics, photography) To reduce lens aperture using an optical diaphragm.
2. To act as a diaphragm, for example by vibrating.

Translations

Gallery

English

Noun

femidom (plural femidoms)

1. A female condom.

Translations

See also

• femdom