Sep"tic (?), a. [Septi- + -ic.] Math.
Of the seventh degree or order.
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n. Alg.
A quantic of the seventh degree.
© Webster 1913.
Sep"tic (?), Sep"tic*al (?), a. [L. septicus, Gr. , fr. to make putrid: cf. F. septique.]
Having power to promote putrefaction.
© Webster 1913.
Sep"tic, n.
A substance that promotes putrefaction.
© Webster 1913.