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emitter

emitter

73 5.6
A device that gives off light, heat, or sound
  • noun
  • /ɪˈmɪtər/
translation icon : emisor
  • China is the world's biggest greenhouse gas emitter by a huge margin, and if there's anything clear so far coming out of this year's Communist party Congress, it's that coal is having a bit of a revival in the world's second largest economy.
  • greenhouse gas emitter
  • carbon dioxide emitter
  • emitter of greenhouse gases

So they're both emitters of photons and detectors of photons.

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Examples

  • This camera is actually an electromagnetic pulse emitter.

  • Offsets are activities undertaken, directly or indirectly, by an emitter to counteract the environmental damage caused by releasing greenhouse gases.

    Academic text (2009)
  • I think I want my emitter to be a little bit bigger.

  • We take the power core and the emitter out of town.

  • That's why the emitter works so well.

  • Much of their communication was electromagnetic, but the emitter around Mare's neck took care of that.

    Fiction book (2000)
  • These new QDO leads use only blue emitters as their light source.

  • OK, well, you've also got, you know, so this is a photon emitter right here.

  • This is a light sensor, the IR LED or the IR emitters are inside here.

  • This device acts as an emitter of infrared signals, allowing the remote control to operate from a distance.

Synonyms

transmitter
vsemitter
  • Specialized
142 3.9

A device that sends radio or television signals across long distances

covers devices that emit many forms, not only distant broadcast signals
transceiver
vsemitter
  • Specialized
18 5.6

A device that sends and receives signals, like a radio

focuses only on sending out rather than also receiving signals
light source
vsemitter
12 3.0

A thing like a lamp or candle that makes a place bright so you can see

applies more widely to devices emitting other energies or signals too
sender
vsemitter
  • Archaic
1 5.3

A device that sends radio or television signals

is broader, applying to devices that emit light, energy, sound, or signals
radiator
vsemitter
1 3.5

An object that sends out heat or light, for example the sun

is not limited to heat and includes light, sound, and various signals
1 3.9

A thing that gives light so you can see

is more general, including non visible energy and sound emission
emanator
vsemitter
9.0

A source that gives off light, sound, or energy

is specifically a device rather than any person or broad thing that emits
emanant
vsemitter
  • Formal
9.9

A source that gives off something like light or warmth

is a concrete device that physically sends out energy, sound, or signals

How Strong

power plant
  • US
143 2.9
generator
  • Specialized
19 3.5
radiator
1 3.5
emanator
  • Specialized
8.4
emitter
73 5.6
source
2.6

Surface Forms

emitter singular
emitters plural

Morphology

emitter = emit (transparent) = emit + er

A general instrument/device sense directly matching 'one/that which emits' formed with the productive suffix '-er'.

Etymology

Emitter comes from the Latin emittere, with e- 'out' and mittere 'to send', just like transmit or the English word 'send'. So, an emitter is anything that 'sends out' light, energy, sound, or signals.