/ Dictionary / Index I implantation: Meaning and Definition of Find definitions for: im•plan•ta•tion Pronunciation: (im"plan-tā'shun), [key] — n. the act of implanting. the state of being implanted. the movement of cells to a new region. metastasis, when spontaneous. the application of solid medicine underneath the skin. the attachment of the early embryo to the lining of the uterus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: implantation (Thesaurus) implantable implantology 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