Hypertext Webster Gateway: "potentiometer"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Potentiometer \Po*ten`ti*om"e*ter\, n. [Potential + -meter.]
(Elec.)
An instrument for measuring or comparing electrial potentials
or electro-motive forces.
From WordNet (r) 1.7 (wn)
potentiometer
n 1: a measuring instrument for measuring direct current
electromotive forces
2: a resistor with three terminals, the third being an
adjustable center terminal; used to adjust voltages in
radios and TV sets [syn: {pot}]
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