electrometer Meaning, Definition & Usage

  1. noun meter to measure electrostatic voltage differences; draws no current from the source

WordNet

E`lec*trom"e*ter noun
Etymology
Electro- + -meter: cf. F. électromètre.
Definitions
  1. (Physics) An instrument for measuring the quantity or intensity of electricity; also, sometimes, and less properly, applied to an instrument which indicates the presence of electricity (usually called an electroscope).

Webster 1913