/ Dictionary / Index H hemeralopia: Meaning and Definition of Find definitions for: hem•er•a•lo•pi•a Pronunciation: (hem"ur-u-lō'pē-u), [key] — n. Ophthalm. a condition of the eyes in which sight is normal in the night or in a dim light but is abnormally poor or wholly absent in the day or in a bright light. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hemeralopia (Thesaurus) hemelytron Hemerocallis* Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language