/ Dictionary / Index H hypergol: Meaning and Definition of Find definitions for: hy•per•gol Pronunciation: (hī'pur-gôl", -gol"), [key] — n. any hypergolic agent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hyperglycemia hypergolic Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language