/ Dictionary / Index H hemialgia: Meaning and Definition of Find definitions for: hem•i•al•gi•a Pronunciation: (hem"ē-al'jē-u, -ju), [key] — n. Pathol. pain or neuralgia involving only one side of the body or head. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hemiacetal hemianopsia Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language