/ Dictionary / Index C current density: Meaning and Definition of Find definitions for: cur'rent den"sity Pronunciation: [key] — Elect. Elect. the amount of current flowing through a given cross-sectional area in a given time interval: usually measured in amperes per square centimeter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. current cost current expenses 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