/ Dictionary / Index A allotropy: Meaning and Definition of Find definitions for: al•lot•ro•py Pronunciation: (u-lo'tru-pē), [key] — n. Chem. a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: allotropy (Thesaurus) allotropic all' ottava 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