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electrometer

[ih-lek-trom-i-ter, ee-lek-]
noun
  1. a calibrated device used for measuring extremely low voltages.
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Origin of electrometer

First recorded in 1945–50; electro- + -meter
Related formse·lec·tro·met·ric [ih-lek-troh-me-trik] /ɪˌlɛk troʊˈmɛ trɪk/, e·lec·tro·met·ri·cal, adjectivee·lec·tro·met·ri·cal·ly, adverbe·lec·trom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for electrometric

electrometer

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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Derived Formselectrometric (ɪˌlɛktrəʊˈmɛtrɪk) or electrometrical, adjectiveelectrometrically, adverbelectrometry, noun
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