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WordReference Random House Learner's Dictionary of American English © 2024sem•i•con•duc•tor /ˈsɛmikənˌdʌktɚ, ˈsɛmaɪ-/USA pronunciation n. [countable]- Electronicsa substance, such as silicon, that can conduct electricity with less efficiency than a true conductor.
- Electronicsa basic electronic part using such a substance, used in communications equipment and in computers.
WordReference Random House Unabridged Dictionary of American English © 2024sem•i•con•duc•tor (sem′ē kən duk′tər, sem′ī-),USA pronunciation n. - Electronicsa substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (sem′iconductor device′) used in communications, control, and detection technology and in computers.
- Electronicsa semiconductor device.
- semi- + conductor 1875–80
Collins Concise English Dictionary © HarperCollins Publishers:: semiconductor /ˌsɛmɪkənˈdʌktə/ n - a substance, such as germanium or silicon, that has an electrical conductivity that increases with temperature and is intermediate between that of a metal and an insulator
- a device, such as a transistor or integrated circuit, that depends on the properties of such a substance
- (as modifier): a semiconductor diode
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