potentiometer Meaning, Definition & Usage

  1. noun a measuring instrument for measuring direct current electromotive forces
  2. noun a resistor with three terminals, the third being an adjustable center terminal; used to adjust voltages in radios and TV sets
    pot.

WordNet

Po*ten`ti*om"e*ter noun
Etymology
Potential + -meter.
Definitions
  1. (Elec.) An instrument for measuring or comparing electrial potentials or electro-motive forces.

Webster 1913