polygenesisPronunciation: /ˌpɒlɪˈdʒɛnɪsɪs/Definition of polygenesis noun [mass noun] 1 Biology the hypothetical origination of a race or species from a number of independent stocks. Compare with polygeny. 2the hypothetical origination of language or of a surname from a number of independent sources in different places at different times. polygenesis in other Oxford dictionaries Definition of polygenesis in the US English dictionary
