a combining form meaning “nucleus of a cell,” used in the formation of compound words: karyotin.
Also, caryo-.

< Greek, combining form of káryon nut, kernel

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To karyo
World English Dictionary
karyo- or caryo-
combining form
indicating the nucleus of a cell: karyogamy
[from New Latin, from Greek karuon kernel, nut]
caryo- or caryo-
combining form
[from New Latin, from Greek karuon kernel, nut]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

comb. form of Gk. karyon "nut, kernel," used since c.1874 in biological terms refering to cell nuclei.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

karyo- or caryo-
Cell nucleus: karyogamy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature