/ Dictionary / Index K Kirchhoff: Meaning and Definition of Find definitions for: Kirch•hoff Pronunciation: (kērkh'hôf), [key] — n. 1824–87, German physicist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: kirchhoff (Thesaurus) Kirby-Smith Kirchhoff 's law Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language