[ proh-noo-klee-uhs, -nyoo- ]
/ proʊˈnu kli əs, -ˈnyu- /
noun, plural pro·nu·cle·i [proh-noo-klee-ahy, -nyoo-]. /proʊˈnu kliˌaɪ, -ˈnyu-/. Cell Biology.
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Words nearby pronucleus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for pronucleus
/ (ˌprəʊˈnjuːklɪəs) /
noun plural -clei (-klɪˌaɪ)
the nucleus of a mature ovum or spermatozoan before fertilization
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
Medical definitions for pronucleus
[ prō-nōō′klē-əs ]
One of two nuclei undergoing fusion in karyogamy.
The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.