/ Dictionary / Index P primary cell: Meaning and Definition of Find definitions for: pri'mary cell' Pronunciation: [key] — Elect. Elect. a cell designed to produce electric current through an electrochemical reaction that is not efficiently reversible, so that the cell when discharged cannot be efficiently recharged by an electric current. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. primary care primary color Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language