A substance that causes sepsis or putrefaction.

A septic tank; a system for the disposal of sewage into a septic tank, a septic system.

Of or pertaining to sepsis.

Causing sepsis or putrefaction.

Of or pertaining to sewage or the disposal of sewage.

A mathematical object (function, curve, surface, etc.) of degree seven.

Of the seventh degree or order.

An American, a Yank.