[sin-kar-ee-on, -uh n]
noun, plural syn·kar·y·a [sin-kar-ee-uh] /sɪnˈkær i ə/. Cell Biology.
  1. a nucleus formed by the fusion of two preexisting nuclei.

Origin of synkaryon

1900–05; syn- + Greek káryon nut, kernel; cf. karyo- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for synkaryon


  1. biology the nucleus of a fertilized egg
Derived Formssynkaryonic, adjective

Word Origin for synkaryon

C20: New Latin, from syn- + Greek karuon a 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

synkaryon in Medicine


[sĭn-kărē-ŏn′, -ē-ən]
  1. The nucleus of a fertilized egg immediately after the male and female nuclei have fused.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.