/ Dictionary / Index H haloid: Meaning and Definition of Find definitions for: hal•oid Pronunciation: (hal'oid, hā'loid), [key] — Chem. Chem. —adj. resembling or derived from a halogen. —n. a haloid salt or derivative from a halogen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. halogen lamp halolike Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language