/ Dictionary / Index I inoculation: Meaning and Definition of Find definitions for: in•oc•u•la•tion Pronunciation: (i-nok"yu-lā'shun), [key] — n. the act or process of inoculating. an instance of inoculating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inoculation (Thesaurus) inoculate inoculum Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language