/ Dictionary / Index S septicemia: Meaning and Definition of Find definitions for: sep•ti•ce•mi•a Pronunciation: (sep"tu-sē'mē-u), [key] — n. Pathol. the invasion and persistence of pathogenic bacteria in the blood-stream. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: septicemia (Thesaurus) septic septicemic plague Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language