n. a device used to detect and measure static electricity; an electroscope
n. a precision voltmeter that draws almost no current from the circuit
the GNU version of the Collaborative International Dictionary of English
n. 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).
The Century Dictionary and Cyclopedia
n. An instrument for measuring difference of electrostatic potential between two conductors. See potential.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. meter to measure electrostatic voltage differences; draws no current from the source
Word Usage
"Her sensitive awareness to subtle natural effects were such that Samuel Taylor Coleridge, William's friend and fellow poet, considered her to be the equivalent of a perfect "electrometer" -- a "fragile piece of gold" able to measure tiny changes in electrical pulses."