Pronunciation: (ā-sī'klik, ā-sik'lik), [key]
1. not cyclic: an acyclic flower; acyclic compounds.
2. Chem.of or pertaining to a compound that does not contain a closed chain or ring of atoms (contrasted with cyclic).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.