a. Obs. rare–0. [ad. med.L. syntērēticus, a. Gr. συντηρητικός preservative, f. συντηρεῖν: see prec. and -IC.] (See quot.) So † Synteretics sb. pl. (rare–0).
[1684. trans. Blancard’s Phys. Dict. (1693), Synteretica, that part of Physick which gives Rules for the Preservation of Health.]
1704. J. Harris, Lex. Techn., I. Synteretick Medicines.
1706. Phillips (ed. Kersey), Synteretica or Syntereticks.
