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diaphragm

diaphragm

3 7.3
A thin membrane in devices like a speaker that moves to make or pick up sound
  • noun
  • /ˈdaɪəfræm/
  • Specialized
translation icon : diafragma
  • The model M20 air-operated, double-diaphragm pump has the capability to pass large solids at high volumes.
  • diaphragm design

The piano sound board works much like the diaphragm in the telephone.

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Examples

  • The Thomas 1210 series diaphragm liquid pump features the Reflex valve design that provides bubble-free liquid flow.

    Academic text (2011)
  • The piano sound board works much like the diaphragm in the telephone.

  • The four things that I need to make my own speaker is a diaphragm, a coil, a support, and a magnet.

  • Liquid fill error that occurs between a digital gauge and diaphragm seal can result in a loss of 0.5 percent accuracy.

    Academic text (2004)
  • His voice vibrates through thin diaphragms set in the thick glass, enabling communication into the suite.

    Fiction book (1993)
  • Piezoelectric crystals bonded to a metal diaphragm are stressed and distorted by an electric field, which flexes the diaphragm.

    Academic text (2006)
  • To auscultate the midsystolic click or murmur associated with MVP, use the diaphragm of the stethoscope.

    Academic text (2007)
  • Mechanically actuated diaphragm metering pump demonstrates an advanced chemical metering technology in pump design.

    Academic text (1996)
  • The 17-4 stainless-steel sensor diaphragm has a 316 stainless-steel process connector and occupies less space than traditional gauge-and-seal assemblies.

    Academic text (2004)
  • The diaphragm in the microphone vibrates to produce clear sound when I speak into it.

Synonyms

paraphragm
vsdiaphragm
  • Specialized
9.9

A thin flexible part in a microphone or speaker that vibrates to make and detect sound

is used interchangeably for the same part in electro acoustic devices

Compounds

A flexible cup inserted into the vagina to cover the opening to the womb and stop sperm entering

iris diaphragm
  • Specialized
7.6

A part with thin overlapping plates that controls how much light passes through a lens

Surface Forms

diaphragm singular
diaphragms plural

Etymology

Diaphragm comes from Greek dia- 'across' and -phragm 'barrier', originally meaning a 'thin partition'. So the diaphragm in a microphone or speaker is a thin membrane that acts like a moving partition to make or pick up sound.