/ Dictionary / Index C centimeter-gram-second: Meaning and Definition of Find definitions for: cen•ti•me•ter-gram-sec•ond Pronunciation: (sen'tu-mē"tur-gram'sek'und), [key] — adj. of or pertaining to the system of units in which the centimeter, gram, and second are the principal units of length, mass, and time. Abbr.: cgs Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. centimeter centimo 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