/ Dictionary / Index A arachidic acid: Meaning and Definition of Find definitions for: ar'achid'ic ac'id Pronunciation: [key] — Chem. Chem. a white, crystalline, water-insoluble solid, CHO, obtained from peanut oil: used chiefly in the manufacture of lubricants, plastics, and waxes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arachidic arachidonic acid Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language