/ Dictionary / Index H hypoadenia: Meaning and Definition of Find definitions for: hy•po•a•de•ni•a Pronunciation: (hī"pō-u-dē'nē-u), [key] — n. Pathol. a deficiency of glandular activity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypoacidity hypoadrenalism Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language