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siemens

[see-muh nz]
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noun (used with a singular verb)
  1. Electricity. the standard unit of electrical conductance in the International System of Units(SI), equal to the reciprocal of the ohm and replacing the equivalent MKS unit (mho). Abbreviation: S
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Origin of siemens

First recorded in 1930–35; named after Sir W. Siemens

Siemens

[see-muh nz; German zee-muh ns]
noun
  1. (Ernst) Wer·ner von [ernst ver-nuhr fuh n] /ˈɛrnst ˈvɛr nər fən/, 1816–92, German inventor and electrical engineer.
  2. his brotherSir WilliamKarl Wilhelm Siemens, 1823–83, English inventor, born in Germany.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for siemens

siemens

noun plural siemens
  1. the derived SI unit of electrical conductance equal to 1 reciprocal ohmSymbol: S Formerly called: mho
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Siemens

noun
  1. Ernst Werner von (ɛrnst ˈvɛrnər fɔn). 1816–92, German engineer, inventor, and pioneer in telegraphy. Among his inventions are the self-excited dynamo and an electrolytic refining process
  2. his brother, Sir William, original name Karl Wilhelm Siemens. 1823–83, British engineer, born in Germany, who invented the open-hearth process for making steel
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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

siemens in Medicine

siemens

(sēmənz)
n. pl. siemens
  1. A unit of electrical conductance in the International System of Units, equal to one ampere per volt.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

siemens in Science

siemens

[sēmənz]
Plural siemens
  1. See mho.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.