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[see-muh nz] /ˈsi mənz/
noun, (used with a singular verb)
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.
Origin of siemens
1930-35; named after Sir W. Siemens


[see-muh nz; German zee-muh ns] /ˈsi mənz; German ˈzi məns/
(Ernst) Werner von
[ernst ver-nuh r fuh n] /ˈɛrnst ˈvɛr nər fən/ (Show IPA),
1816–92, German inventor and electrical engineer.
his brother, Sir William (Karl Wilhelm Siemens) 1823–83, English inventor, born in Germany. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for siemens


noun (pl) siemens
the derived SI unit of electrical conductance equal to 1 reciprocal ohm S Formerly called mho


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
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
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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siemens in Medicine

siemens sie·mens (sē'mənz)
n. pl. siemens
A unit of electrical conductance in the International System of Units, equal to one ampere per volt.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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siemens in Science
Plural siemens
See mho.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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siemens in Technology

A German semiconductor and electronics manufacturer.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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