[pol-ee-em-bree-uh-nee, -oh-nee, -em-brahy-uh-nee]
- the production of more than one embryo from one egg.
Origin of polyembryony
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for polyembryony
Polyembryony is generally associated with the development of cells other than the egg-cell.
Polyembryony: the production of several embryos from a single egg, as in some Chalcids.Explanation of Terms Used in Entomology
John. B. Smith
- the production of more than one embryo from a single fertilized egg cell: occurs in certain plants and parasitic hymenopterous insects
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
- Development of more than one embryo from a single egg or ovule.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Development from a single fertilized egg cell or, in plants, from a single ovule. In human beings, identical twins are the result of polyembryony. In gymnosperm plants, polyembryony involves the fertilization of more than one egg, though usually only one embryo survives in the ovule.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.