/ Dictionary / Index A acyclic terpene: Meaning and Definition of Find definitions for: acy'clic ter'pene Pronunciation: [key] — Chem. Chem. See under(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acyclic acyclovir Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language