- the fusion of the nuclei of cells, as in fertilization.
Origin of karyogamy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- biology the fusion of two gametic nuclei during fertilization
- The coming together and fusing of cell nuclei, as in fertilization.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.