/ Dictionary / Index C coulomb: Meaning and Definition of Find definitions for: cou•lomb Pronunciation: (k'lom, -lōm, k-lom', -lōm'), [key] the SI unit of quantity of electricity, equal to the quantity of charge transferred in one second across a conductor in which there is a constant current of one ampere. Abbr.: C Cou•lomb Pronunciation: (k'lom, -lōm, k-lom', -lōm' Fr. k-lôn'), [key] 1736–1806, French physicist and inventor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: coulomb (Thesaurus) couloir Coulomb's law Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language