/ Dictionary / Index A adenosis: Meaning and Definition of Find definitions for: ad•e•no•sis Pronunciation: (ad"n-ō'sis), [key] — n. Pathol. abnormal development or enlargement of glandular tissue. any disease of a gland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adenosis (Thesaurus) adenosine triphosphate adenovirus Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language