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3 definitions found
 for transistor
From The Collaborative International Dictionary of English v.0.48 :

  Transistor \Trans*ist"or\, n. [transfer + resistor, from its
     ability to tranfer a current across a resistor.]
     a component used in electronic devices consisting of three
     regions of at least two types of a semiconducting material,
     such as doped silicon, connected to each other and to three
     electrodes in a conducting path so as to modify the current
     or voltage in an electronic circuit.
     Note: Transistors are used in almost all modern electronic
           devices, having replaced the vacuum tube in most
           applications. Since they are based on the electronic
           characteristics of solids, they are called solid-state
           devices. Typically a transistor is composed of p, n,
           and p-type semiconductors in series, or of n, p, and n,
           with the center region being a thin layer between the
           two outer regions. An electronic signal input to the
           central layer may be substantially amplified by such a
           device. In integrated circuits, many thousands of
           transistors may be etched into a single small wafer of

From WordNet (r) 3.0 (2006) :

      n 1: a semiconductor device capable of amplification [syn:
           transistor, junction transistor, electronic

From The Free On-line Dictionary of Computing (30 December 2018) :

      A three terminal semiconductor amplifying
     device, the fundamental component of most active electronic
     circuits, including digital electronics.  The transistor was
     invented on 1947-12-23 at Bell Labs.
     There are two kinds, the bipolar transistor (also called the
     junction transistor), and the field effect transistor (FET).
     Transistors and other components are interconnected to make
     complex integrated circuits such as logic gates,
     microprocessors and memory.

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