ribonucleoprotein ri·bo·nu·cle·o·pro·tein (rī'bō-n&oomacr;'klē-ō-prō'tēn, -tē-ĭn, -ny&oomacr;'-) n. Abbr. RNP A nucleoprotein that contains RNA.
RNP abbr. ribonucleoprotein