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Definition of Digyny
1. Noun. (biology) The fertilization of a diploid ovum by a monoploid sperm, resulting in a triploid zygote. ¹
¹ Source: wiktionary.com
Medical Definition of Digyny
1. Digynia Fertilization of a diploid ovum by a sperm, which results in a triploid zygote. Compare: diandry. Origin: di-+ G. Gyne, woman (05 Mar 2000)