13 letters · 17 points in Scrabble
noun any of several substances found in the nuclei of all living cells; consists of a protein bound to a nucleic acid
originEtymology tree Proto-Italic *knuks Latin nux Latin nucleuslbor. English nucleus English nucleo- English protein English nucleoprotein From nucleo- + protein.
Etymology from Wiktionary, CC BY-SA 3.0