| 单词 |
polygenesis |
| 释义 |
polygenesis|pɒlɪˈdʒɛnɪsɪs|
[f. poly- + genesis.]
a. Biol. (Theoretical) origination of a race or species from several independent ancestors or germs: in reference to man usually called polygeny. Hence polygenesic |-dʒɪˈnɛsɪk| a. = polygenetic 1; polyˈgenesist = polygenist.
1862Temple Bar Mag. V. 214 The ethnological polygenesists assert that, during the whole historic period, there have existed the same differences in the human races that are seen at the present time. 1864Reader No. 94. 476/3 System of polygenesic doctrine. 1882Ogilvie, Polygenesis.
b. Linguistics. The theory that there is a plurality of independent sources for languages. Opp. monogenesis 3.
1936,1949[see monogenesis 3]. 1979Amer. Speech 1978 LIII. 247 My gut feeling is that radical polygenesis is impossible. It would require either a biologically unrealistic degree of parallelism, or else that languages be much more varied in their groundplans than in fact they are.
c. gen.
1962G. Kubler Art & Archit. Anc. Amer. i. 11 (heading) Diffusion or polygenesis? |
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