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Webster's 1913 Dictionary

POLYEMBRYONY

Pol `y *em "bry *o *ny, n. Etym: [See Poly-, and Embryo. ] (Bot. )

Defn: 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.

New American Oxford Dictionary

polyembryony

pol y em bry o ny |ˌpälēˈembrēənē, -emˈbrīənē pɑliˈɛmbriəni | ▶noun Biology the formation of more than one embryo from a single fertilized ovum or in a single seed. DERIVATIVES pol y em bry on ic |-ˌembrēˈänik |adjective

Oxford Dictionary

polyembryony

polyembryony |ˌpɒlɪˈɛmbrɪəni | ▶noun [ mass noun ] Biology the formation of more than one embryo from a single fertilized ovum or in a single seed. DERIVATIVES polyembryonic adjective