/ Dictionary / Index S siemens: Meaning and Definition of Find definitions for: sie•mens Pronunciation: (sē'munz), [key] — n. (used with a sing. v.) the SI unit of electrical conductance, equal to the reciprocal of the ohm and replacing the equivalent MKS unitAbbr.: S Sie•mens Pronunciation: (sē'munz Ger. zē'muns), [key] — n. 1816–92, German inventor and electrical engineer. his brother,(Karl Wilhelm Siemens), 1823–83, English inventor, born in Germany. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: siemens (Thesaurus) Siegmeister Siem Reap Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language