septic

1. (mathematics) A mathematical object (function, curve, surface, etc.) of degree seven.Examples: "Enriques states that it is possible to construct a family of septics with a singular curve of degree 7 and genus 4 having a triple point that degenerates to the above configuration[…]."; "Now consider the two septics C = U⁷ᵢ₌₁Cᵢ, D = U⁷ᵢ₌₁Dᵢ and note that for i = 1,2,3,4,5,6 the lines Cᵢ and Dᵢ are parallel, so that the intersection of two septics S' consists of 6⁶^([sic]) + 6 + 1 = 43 points and it is the singular set of a foliation of degree 6."

1. (mathematics) Of the seventh degree or order.not-comparable

1. (UK, Australia, New Zealand, rhyming slang, ethnic slur) An American, a Yank.Examples: "Typical septic. Can't understand why the rest of the world thinks he's a fuck-knuckle."; "“Didn′t enjoy the septics,” he says jokingly about the Americans."; "“What′s the septics′ Achilles heel?” I said using the slang septic tank, meaning Yank."AustraliaNew-ZealandUKethnicslangslur

1. (UK, Australia, New Zealand, Cockney rhyming slang) Alternative form of septic; an American.Examples: "Not only didn′t he want to tour he didn′t even want “Septics” (“Septic Tanks,″ meaning Yanks) to buy his records."AustraliaCockneyNew-ZealandUKalt-ofalternativeslang