'Septic' definitions:

Definition of 'septic'

(from WordNet)
adjective
Containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage" [syn: septic, infected] [ant: antiseptic]
adjective
Of or relating to or caused by putrefaction; "the septic action occurs at the bottom of the septic tank"

Definition of 'Septic'

From: GCIDE
  • Septic \Sep"tic\, a. [Septi- + -ic.] (Math.) Of the seventh degree or order. -- n. (Alg.) A quantic of the seventh degree. [1913 Webster] Septic

Definition of 'Septic'

From: GCIDE
  • Septic \Sep"tic\, Septical \Sep"tic*al\, a. [L. septicus, Gr. ????, fr. ???? to make putrid: cf. F. septique.] Having power to promote putrefaction. [1913 Webster]

Definition of 'Septic'

From: GCIDE
  • Septic \Sep"tic\, n. A substance that promotes putrefaction. [1913 Webster]