/ Dictionary / Index L lithosol: Meaning and Definition of Find definitions for: lith•o•sol Pronunciation: (lith'u-sôl", -sol"), [key] — n. a group of shallow soils lacking well-defined horizons, esp. an entisol consisting of partially weathered rock fragments, usually on steep slopes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lithosere lithosphere Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language