Englishfor English speakers
conductor
Noun
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A conductor is a person who controls the tempo of an orchestra.
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A conductor is a substance that can conduct electricity and/or heat.
insulator
Noun
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An insulator is a substance that does not conduct electricity or heat. It can be used to insulate things, such as a room.
semiconductor
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noun
a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity increases with temperature and in the presence of impurities
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noun
(= semiconductor device)
a conductor made with semiconducting material
FET
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noun
(= field-effect transistor)
a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field