/ Dictionary / Index C CPM: Meaning and Definition of Find definitions for: CPM Pronunciation: [key] cost per thousand. Critical Path Method. cpm Pronunciation: [key] — Com. Com. cost per thousand. CP/M Pronunciation: [key] — Trademark. Trademark.Control Program/Microprocessors: a microcomputer operating system. c.p.m. Pronunciation: [key] common particular meter. cycles per minute. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cpl. CPO Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language