from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Development of more than one embryo from a single egg or ovule.
from The Century Dictionary.
- noun In botany, the production or existence of two or more embryos in one seed—a phenomenon occurring, sometimes regularly and sometimes abnormally, in the development of the ovules of flowering plants.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun botany The
productionof two or more embryosin one seed, due either to the existenceand fertilizationof more than one embryonic sacor to the originationof embryos outside of the embryonic sac.
Sorry, no etymologies found.
(Liliaceae) polyembryony results from an adventitious production of embryos from the cells of the nucellus around the top of the embryo-sac.
Not the rat-a-tat Greek heard in the Plaka of Athens, but majestic classical Greek, whose syllables flow like wine down our gullets -- polyembryony.