/ Dictionary / Index C centigram: Meaning and Definition of Find definitions for: cen•ti•gram Pronunciation: (sen'ti-gram"), [key] — n. one 100th of a gram, equivalent to 0.1543 grain. Abbr.: cg Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. centigrade centile Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language