Word Study
electrometer
CIDE DICTIONARY
electrometer, n. [Electro- + -meter: cf. F. électromètre.].
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]
OXFORD DICTIONARY
electrometer, n. an instrument for measuring electrical potential without drawing any current from the circuit.
Derivative
electrometric adj. electrometry n.
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