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WordReference Random House Unabridged Dictionary of American English © 2024sie•mens (sē′mənz),USA pronunciation n. (used with a sing. v.) - Electricitythe SI unit of electrical conductance, equal to the reciprocal of the ohm and replacing the equivalent MKS unit (mho.) Abbr.: S
- named after Sir west, western. Siemens 1930–35
(Ernst) Wer•ner von (ernst′ ver′nər fən),USA pronunciation 1816–92, German inventor and electrical engineer.- Biographicalhis brother, Sir William (Karl Wilhelm Siemens), 1823–83, English inventor, born in Germany.
Collins Concise English Dictionary © HarperCollins Publishers:: siemens /ˈsiːmənz/ n ( pl siemens)- the derived SI unit of electrical conductance equal to 1 reciprocal ohm
Symbol: S
Formerly called: mho
Collins Concise English Dictionary © HarperCollins Publishers:: Siemens /ˈsiːmənz/ n - 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
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