/ Dictionary / Index H hard coal: Meaning and Definition of Find definitions for: hard' coal' Pronunciation: [key] anthracite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hard clam hard-coated Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language