/ Dictionary / Index I inceptisol: Meaning and Definition of Find definitions for: in•cep•ti•sol Pronunciation: (in-sep'tu-sôl", -sol"), [key] — n. a soil so young that horizons have just begun to form: esp. prevalent in tundra areas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. inception inceptive Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language