/ Dictionary / Index A achondroplasia: Meaning and Definition of Find definitions for: a•chon•dro•pla•sia Pronunciation: (ā-kon"dru-plā'zhu, -zhē-u, -zē-u), [key] — n. Pathol. defective conversion of cartilage into bone, esp. at the epiphyses of long bones, producing a type of dwarfism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: achondroplasia (Thesaurus) achondrite achoo Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language