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[mahy-kruh-far-uh d, -ad] /ˈmaɪ krəˌfær əd, -æd/
noun, Electricity
a unit of capacitance, equal to one millionth of a farad. Symbol: μF, μf.
Abbreviation: mf., mfd.
Origin of microfarad
1870-75; micro- + farad Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for microfarad
Historical Examples
  • The farad being inconveniently large for practical use, one-millionth of a farad, called a microfarad, is generally adopted.

  • Then we would say that the condenser had a capacity of one microfarad.

  • The leak should have a very high resistance, usually one or two million ohms if the condenser is about 0.002 microfarad.

  • The condensers used in the above experiment have a capacity of one microfarad, or one millionth of a farad.

    Physics Willis Eugene Tower
  • Since the farad is far too large for practical purposes a millionth of a farad, or microfarad, whose symbol is mfd., is used.

    The Radio Amateur's Hand Book A. Frederick Collins
  • M. Bouty mentions a condenser of one microfarad capacity weighing 1500 grms.

    On Laboratory Arts Richard Threlfall
British Dictionary definitions for microfarad


one millionth of a farad; 10–6 farad μF
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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microfarad in Science
  (mī'krō-fār'əd, -ād)   
A unit of capacitance equal to one millionth (10-6) of a farad. The microfarad is used for most electronic applications. Its symbol is μF.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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