/ Dictionary / Index A Accutane: Meaning and Definition of Find definitions for: Ac•cu•tane Pronunciation: (ak'yoo-tān"), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of isotretinoin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. accustomed ACDA 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