Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A continuously variable electrical resistor used to regulate current.

from The Century Dictionary.

  • noun In electromagnetism, an instrument for regulating lating or adjusting a circuit so that any required degree of resistance may be maintained; a resistance-coil. See resistance, 3.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Elec.) A contrivance for adjusting or regulating the strength of electrical currents, operating usually by the intercalation of resistance which can be varied at will.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An electrical resistor, with two terminals, whose resistance is continuously variable by moving a knob or slider.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun resistor for regulating current

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From rheo- + -stat.

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