单词	polygenesis
释义	polygenesis /ˌpɒlɪˈdʒɛnɪsɪs / noun [mass noun] 1 Biology The hypothetical origination of a race or species from a number of independent stocks. Compare with polygeny.For example, it seems to be the ground of his preference for monogenesis - the theory that the races are descended from a common stock - over polygenesis - the theory that the races have different origins.... The Southern opponents of polygenesis even employed many of the same arguments and sources used by abolitionists to attack white prejudice. 2The hypothetical origination of language or of a surname from a number of independent sources in different places at different times.Proponents of polygenesis hold that the concept of genetic relatedness between languages is inaccurate.... Both of Edo Nyland's theses are in contradiction to current opinions of linguists, who tend to suppose polygenesis of language families and language changes caused by natural evolution.
随便看	warn someone off the course War of 1812 war of attrition War Office war of nerves war of words warp warpage warpaint warpath war pension warper warp factor warplane war poet warp speed warragal warrant warrantability warrantable warrantableness warrantably warrant card warrantee warranter

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