/ Dictionary / Index I ichthyolite: Meaning and Definition of Find definitions for: ich•thy•o•lite Pronunciation: (ik'thē-u-līt"), [key] — n. a fossil fish. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ichthyol ichthyology Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language