a combining form representing nucleus, nuclear, or nucleic acid in compound words: nucleoprotein. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for nucleo-


before a vowel nucle-

combining form

nucleus or nuclearnucleoplasm
nucleic acidnucleoprotein

Word Origin for nucleo-

from Latin nucleus kernel, from nux nut
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for nucleo-



Nucleus:nucleon; nucleoplasm.
Nucleic acid:nucleoprotein.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.