Dictionary
nu•cle'ic ac'id
Pronunciation: (nOO-klē'ik, -klā'-, nyOO-), [key] Biochem.
any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.