/ Dictionary / Index H hyalograph: Meaning and Definition of Find definitions for: hy•a•lo•graph Pronunciation: (hī'u-lu-graf", -gräf"), [key] — n. an instrument used in hyalography. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hyalo- hyalography Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language