how to pronounce diaphragm


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An example use of diaphragm in a speech by a native speaker of british english:

“… about diaphragm time approximation let's …”

meanings of diaphragm


  1. 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. 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.
  3. A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.
  4. A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device.
  5. In a speaker, the thin, semi-rigid membrane which vibrates to produce sound.
  6. 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.
  7. A permeable or semipermeable membrane.
  8. Any of various membranes or sheets of muscle or ligament which separate one cavity from another.


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

words with pronunciation similar to diaphragm