parthenogenesis


parthenogenesis
parthenogenesis par`the*no*gen"e*sis (p[aum]r`th[-e]*n[-o]*j[e^]n"[-e]*s[i^]s), n. [Gr. parqe`nos a virgin + E. genesis.] 1. (Biol.) The production of new individuals from virgin females by means of ova which have the power of developing without the intervention of the male element; the production, without fertilization, of cells capable of germination. It is one of the phenomena of alternate generation. Cf. {Heterogamy}, and {Metagenesis}. [1913 Webster]

2. (Bot.) The production of seed without fertilization, believed to occur through the nonsexual formation of an embryo extraneous to the embryonic vesicle. [1913 Webster]


The Collaborative International Dictionary of English. 2000.