Meaning of ribonucleoprotein

ri•bo•nu•cle•o•pro•tein

Pronunciation: (rī"bō-n"klē-ō-prō'tēn, -tē-in, -ny"-), [key]
— n. Biochem.
  1. a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbr.: RNP
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.