/ Dictionary / Index H hypertension: Meaning and Definition of Find definitions for: hy•per•ten•sion Pronunciation: (hī"pur-ten'shun), [key] — n. elevation of the blood pressure, esp. the diastolic pressure. an arterial disease characterized by this condition. excessive or extreme emotional tenseness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hypertension (Thesaurus) hypertense hypertensive Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language