diaphragm
- noun
- /ˈdaɪəfræm/
- Specialized
- 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.
- The piano sound board works much like the diaphragm in the telephone.
- But this doesn't happen nearly at all with electrostatic drivers, because the diaphragm is not physically connected to the voice coil.
Examples
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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
A thin flexible part in a microphone or speaker that vibrates to make and detect sound
Compounds
A flexible cup inserted into the vagina to cover the opening to the womb and stop sperm entering
- Specialized
A part with thin overlapping plates that controls how much light passes through a lens
Surface Forms
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.