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parthenogenesis n. 單性生殖,孤雌生殖 單性生殖,孤雌生殖 parthenogenesis n 1: human conception without fertilization by a man [ synonym: { parthenogenesis}, { parthenogeny}, { virgin birth}] 2: process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods [ synonym: { parthenogenesis}, { parthenogeny}] 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] 22 Moby Thesaurus words for " parthenogenesis": abiogenesis, archigenesis, biogenesis, birth, blastogenesis, development, digenesis, epigenesis, eumerogenesis, generation, genesis, heterogenesis, histogenesis, homogenesis, isogenesis, merogenesis, metagenesis, monogenesis, orthogenesis, pangenesis, procreation, spontaneous generation
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