[f. as prec. + -IST.] One who practises or defends vivisection.

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1863.  Rutland Weekly Herald, 28 May, 3/4. An eminent vivisectionist has undertaken to sup[p]ly a series of papers setting forth his own experiences in his art.

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1879.  Ld. Shaftesbury, Sp. Ho. Lords, 15 July. The contradictions of vivisectionists were surprising.

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1887.  ‘Edna Lyall,’ Knight-Errant (1889), 133. Without a deep, living sympathy, the artist surely degenerates into a species of vivisectionist.

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