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field-effect transistor

[feeld-i-fekt]
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noun Electronics.
  1. a transistor in which the output current is varied by varying the value of an electric field within a region of the device. Abbreviation: FET

Origin of field-effect transistor

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for field-effect transistor

field-effect transistor

noun
  1. a unipolar transistor consisting of three or more electrode regions, the source, one or more gates, and the drain. A current flowing in a channel between the highly doped source and drain is controlled by the electric field arising from a voltage applied between source and gateAbbreviation: FET See also JFET, IGFET
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012