[f. prec. + -IST.] One who believes in or advocates a theory of transmutation, esp. that of the transmutation of species in organic nature; a transformist. Also attrib.

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  It might also be, and prob. has been, applied to one believing in the transmutation of metals: an explanation given in Dictionaries from Worcester onward.

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1832.  Q. Rev., XLVII. 117. The transmutationist endeavours to account, by physiological laws, for the successive appearance and extinction of different races of animals, of which the earth offers the record.

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1844.  Monthly Rev., March, 384. It is the doctrine of the Transmutationists.

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1847.  Darwin, in Life & Lett. (1887), I. 355. You have introduced several sentences against us Transmutationists.

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1850.  Fraser’s Mag., XLII. 368. The author of the Vestiges, like the older transmutationists, assumes the mammals of the sea as the ancestors of the mammals of the land.

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1866.  Reader, 20 Feb., 153/2. Owen … pleads … strongly and manfully in favour of the transmutationist doctrine.

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1909.  Q. Rev., Oct., 421. When Darwin first propounded his doctrine of descent … there were few ‘transmutationists.’

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