Definition of emitter in US English:

emitter

noun

  • 1A machine, device, etc., that emits something.

    • ‘The light-emitting carbon nanotubes represent the first electrically controlled single-molecule light emitter ever constructed.’
    • ‘There are very few classes of coherent emitters in the universe.’
    • ‘Since the goal in most developed countries is less carbon than is now emitted, emitters will have to cut back their emissions or buy the rights to emit from someone else.’
    • ‘Chains of long polymers are more efficient light emitters than small organic molecules’
    • ‘The rear and front surfaces of an object are covered with a material containing an array of photodetectors and light emitters respectively.’
    • ‘This means that neutron stars are formidable radiation emitters and particle accelerators.’
    • ‘Of course, there was also a gigantic turret on top of the tower itself, sporting missile launchers, sonic emitters, lasers, and the like.’
    • ‘To that end, researchers are focusing on creating new types of fluorophores that are not only more stable emitters, but also stronger emitters.’
    • ‘Placed along the ship's core were fifty self-repairing, mobile, energy beam emitters designed to melt ice and provide the water required by the thermonuclear reactors via the central core.’
    • ‘Although telescopes could not resolve their forms, occultation observations indicated that they were small but extremely powerful emitters of light, hence the name quasar: it is short for quasi-stellar object.’
    • ‘Enveloping his hands in purple light, the emitters hummed softly.’
    • ‘Electron-beam emitters could replace the energy-intensive ovens now used to bake paint dry while eliminating the need for polluting solvents.’
    • ‘A detailed design of the necessary pumps, pipes, valves, and emitters must be developed by an irrigation professional.’
    • ‘These emitters or probes broadcast energy to a series of detectors at known locations.’
    • ‘Some kind of unimaginable chemical reaction would take the natural sweat produced by us all and turn it into an emitter of light.’
    • ‘These holographic emitters are for medical use only.’
    • ‘A common emitter of negative beta particles is carbon-14, the radioactive isotope of carbon that is found in all living plants and animals.’
    • ‘It consisted of a movable frame with embedded light emitters and detectors around its perimeter.’
    • ‘Because the LED's themselves are light emitters, it's possible to have incredible contrast ratios.’
    1. 1.1Electronics A region in a bipolar transistor producing carriers of current.
      • ‘A buried N - base region is implanted in the substrate under the emitter region.’
      • ‘Other possible uses for electron field emitters would include-flat panel displays and new kinds of light sources.’
      • ‘The present invention maintains a thermal separation between an emitter and a collector through a fractional surface contact of decreasing cross-sectional area towards the point of contact.’
      • ‘The fiber-to-laser mounting of surface emitters is generally easier than that for edge-emitting diode lasers.’
      • ‘An ion balance sensor is located close to the ion emitters and outputs a voltage value.’
      • ‘The current passes from the emitter to the collector through the base.’
      • ‘When the proper voltage is applied across the cathode and anode of the emitters, they release electrons toward a phosphor spot.’
      • ‘The first and second collector regions are spaced apart from the emitter.’
      • ‘Industrial emissions can be monitored by placing the emitter and receiver opposite each other inside the chimney stack so that the light path crosses the internal diameter of the stack.’
      • ‘In these devices, the emitter and collector are both a p-type semiconductor material and the base is n-type.’

Pronunciation

emitter

/əˈmidər//əˈmɪdər/