noun.
A small electronic device containing a semiconductor and having at least three electrical contacts, used in a circuit as an amplifier, detector, or switch.
noun.
Any of various devices serving the same purpose but employing a different technology.
noun.
A transistor radio.
the GNU version of the Collaborative International Dictionary of English
noun.
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.
noun.
a solid-statesemiconductordevice, with three terminals, which can be used for amplification, switching, voltagestabilization, signalmodulation, and many other functions
noun.
a transistor radio
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a semiconductor device capable of amplification
Word Usage
"As their colleagues watched with a mix of wonder and envy, they showed how their gizmo, which was dubbed a transistor, could take an electric current, amplify it, and switch it on and off."