/ Dictionary / Index H heliometer: Meaning and Definition of Find definitions for: he•li•om•e•ter Pronunciation: (hē"lē-om'i-tur), [key] — n. a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: heliometer (Thesaurus) heliolatry heliopause Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language