[f. L. ūnic-us one + -IST.]
1. A believer in the unicity of the Godhead.
1807. Coleridge, in Lit. Rem. (1839), IV. 291. As understood by the modern Unicists. Ibid. (1832), Table-t., 4 April. The schoolmen would perhaps have called you Unicists: but your proper name is Psilanthropists.
2. Med. An advocate or adherent of the theory of unicity. Also attrib.
1890. Billings, Nat. Med. Dict., II. 720.
1901. J. Ewing, in Jrnl. Exper. Med., V. 483 Inclined to accept the unicist theory.