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Glossary of Electronics Terms
beginning with letter E
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echo
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noun
  1. A reflected sound that is heard again by its initial observer.
  2. (computing): The displaying on the command line of the command that has just been executed.
  3. The letter E in the ICAO spelling alphabet.
verb (echo, es)
  1. To repeat back what another has just said.
electronic
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adjective
  1. (context, physics, chemistry): Of or pertaining to an electron or electrons.
  2. Operating on the physical behavior of electrons, especially in semiconductors.
  3. Generated by an electronic (2) device (electronic music).
electronics
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noun
  1. (physics) The study and use of electrical devices that operate by controlling the flow of electrons or other electrically charged particles.
I'm taking Electronics 101 next semester.
  1. (context, English pluralia tantum) A device or devices that owe their function to the flow of electrons through conductors and semiconductors; devices that operate on electrical power (battery or outlet.)
A VCR may soon be an obsolete device.
Look at all the in this room!
emission
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noun
  1. Something that is emitted, especially the exhaust from a car.
  2. The act of sending or throwing out; the act of sending forth or putting into circulation; issue; as, the emission of light from the sun; the emission of heat from a fire; the issuing of bank notes.
  3. That which is sent out, issued, or put in circulation at one time; issue; as, the emission was mostly blood. Emission theory (Physics), the theory of Newton, regarding light as consisting of emitted particles or corpuscles. See Corpuscular theory, under Corpuscular.
emitter
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noun
  1. That which emits something.
  2. The name for one terminal of a transistor.
emphasis
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noun (emphases)
  1. special, Special weight or forcefulness given to something considered important.
He paused for before saying who had won.
  1. Special attention or prominence given to something.
Anglia TV's is on Norwich and district.
  1. Prominence given to a syllable or words, by raising the voice or printing in italic or underlined type.
He used a yellow highlighter to indicate where to give in his speech.
  1. (typography) Related to bold.
envelope
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noun (plural envelopes)
  1. A paper or cardboard wrapper used to enclose and small, flat items, especially letters, for mailing.
  2. Something that envelops; a wrapping
  3. A bag containing the lifting gas of a balloon or airship.
  4. (geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
  5. (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
  6. (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
  7. (computing) The information used for routing an email that is transmitted with the email but not part of its contents.
  8. (biology) An enclosing structure or cover, such as a membrane.
  9. (engineering) The set of limitations within which a technological system can perform safely and effectively.
excitation
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noun
  1. The act of exciting or putting in motion; the act of rousing up or awakening.
  2. The act of producing excitement (stimulation); also, the excitement produced.
  3. Physiology. The activity produced in an organ, tissue, or part, such as a nerve cell, as a result of stimulation
  4. (physics) The change in state as an excited state is formed by the absorption of a quantum of energy
eye
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noun (plural eyes or (archaic) eyen)
  1. An organ that is sensitive to light, which it converts to electrical signals passed to the brain, by which means animals see.
  2. A hole at the blunt end of a needle through which thread is passed.
  3. A fitting consisting of a loop of metal or other material, suitable for receiving a hook.
  4. The center/centre of a hurricane.
  5. A mark on an animal, such as a peacock or butterfly, resembling an eye.
  6. A reproductive bud in a potato.
  7. The ability to notice what others might miss.
He has a good eye for talent.
verb (eyes, eyeing or eying, eyed)
  1. To look at someone or something as if with the intent to do something with that person or thing.
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