from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a group of complexes composed of protein and nucleic acid and found in the nuclei and cytoplasm of all living cells, as in chromatin and ribosomes, and in viruses.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any complex of a nucleic acid and a protein
from The Century Dictionary and Cyclopedia
- n. A nucleo-al-bumin or a nucleoproteid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of several substances found in the nuclei of all living cells; consists of a protein bound to a nucleic acid
nucleo- + protein (Wiktionary)