Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The coming together and fusing of cell nuclei, as in fertilization.

from The Century Dictionary.

  • noun In embryology, the union of two nuclei, as during the fertilization of the egg by the spermatozoön.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology The fusion of two nuclei within a cell, especially as the second stage of syngamy.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From karyo- + -gamy

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