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electrometer

[ ih-lek-trom-i-ter, ee-lek- ]

noun

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


electrometer

/ 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • eˌlectroˈmetrically, adverb
  • electrometric, adjective
  • elecˈtrometry, noun
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Other Words From

  • e·lec·tro·met·ric [ih-lek-troh-, me, -trik], e·lectro·metri·cal adjective
  • e·lectro·metri·cal·ly adverb
  • e·lec·trome·try noun
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Word History and Origins

Origin of electrometer1

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

Each is equipped with 21 electrometers, to separate the mobilities and determine the concentrations of positive and negative ions simultaneously.

From Nature

The data inversion that converts the measured electrometer currents to particle concentrations is based on model calculations simulating trajectories of particles with different mobilities, and on calibration measurements of the internal losses.

From Nature

Accelerated particles would strike this strip at the end of their spiral journeys, with their final energies to be measured by an electrometer wired to it.

It was a fitting experiment: cosmic rays were discovered in 1912 when Austrian physicist Victor Hess carried electrometers to about 5,000 metres in a perilous open basket beneath a balloon.

From Nature

Thomson's absolute electrometer is based upon an ingenious modification of the electrical balance of Harris and Volta.

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