/ Dictionary / Index H high-tension: Meaning and Definition of Find definitions for: high-ten•sion Pronunciation: (hī'ten'shun), [key] — adj. Elect. subjected to or capable of operating under relatively high voltage: high-tension wire. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: high-tension (Thesaurus) high technology high-test Related Content Daily Word Quiz: leonine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language