electrometer

American  

[ih-lek-trom-i-ter, ee-lek-] / ɪ lɛkˈtrɒm ɪ tər, ˌi lɛk- /

noun

1. a calibrated device used for measuring extremely low voltages.

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electrometer British  

/ ɪˌlɛktrəʊˈmɛtrɪk, ɪlɛkˈtrɒmɪtə, ˌiːlɛk- /

noun

1. an instrument for detecting or determining the magnitude of a potential difference or charge by the electrostatic forces between charged bodies

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Other Word Forms

Derived Forms

• electrometric
  adjective
• electrometrically
  adverb
• electrometry
  noun
• electrometrical
  adjective

Etymology

Origin of electrometer

First recorded in 1945–50; electro- + -meter

Example Sentences

Thomson's "Absolute Electrometer" was designed specially for accurate determinations of this kind.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew

Some hyphenation inconsistencies in the text were retained:     16-candle-power and 16-candlepower,     Electromotive and electro-motive,     Electro-meter and Electrometer,     Horseshoe and horse-shoe,     Switchboard and switch-board.

From Electricity for Boys by Zerbe, James Slough

Another form, called the Long Range Electrometer, was devised for the measurement of the potentials of the charged conductors in electric machines and Leyden jars.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew

Peltier’s Electrometer is a much superior instrument in point of sensibility.

From A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility by Negretti, Henry

Electrometer on Sir William Thomson's plan, for continuous photographic registration of atmospheric electricity has been received from Mr White of Glasgow.

From Autobiography of Sir George Biddell Airy by Airy, George Biddell