[f. ELECTRO- + METER.] An instrument for ascertaining the quality and quantity of electricity in an electrified body.
1749. Gentl. Mag., 352. A true and exact electrometer.
1766. Lane, in Phil. Trans., LVII. 451. An instrument which I have contrived for this purpose may not improperly be called an electrometer.
1787. A. Young, in Glasg. Weekly Her. (1883), 7 July, 2/7. An electrometer—a small, fine pith ball.
1812. Sir H. Davy, Chem. Philos., 128. The electrometer … consists of two gold leaves attached to a metallic plate.
1881. Maxwell, Electr. & Magn., I. 300.
Hence Electrometric, -ical adjs., pertaining to electrometry. Electrometry, the measurement of electricity by the electrometer.
