'Electrometer' definitions:
Definition of 'electrometer'
From: WordNet
noun
Meter to measure electrostatic voltage differences; draws no current from the source
Definition of 'Electrometer'
From: GCIDE
- Electrometer \E`lec*trom"e*ter\, n. [Electro- + -meter: cf. F. ['e]lectrom[`e]tre.] (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). [1913 Webster]
- Balance electrometer. See under Balance. Electro-metric