/ Dictionary / Index C C-reactive protein: Meaning and Definition of Find definitions for: C-re•ac•tive protein Pronunciation: (sē'rē-ak"tiv), [key] — Biochem. Biochem. a globulin that increases in concentration in the bloodstream during infectious states and other abnormal conditions. Abbr.: CRP Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CRC creak Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language