Septic

Sep"tic (?), a. [Septi- + - ic.] (Math.) Of the seventh degree or order. -- n. (Alg.) A quantic of the seventh degree.

Sep"tic, n. A substance that promotes putrefaction.

{ Sep"tic (?), Sep"tic*al (?), } a. [L. septicus, Gr. ????, fr. ???? to make putrid: cf. F. septique.] Having power to promote putrefaction.