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Septic vs Infectious - What's the difference?

septic | infectious |

As a noun septic

is (uk|australia|new zealand|cockney rhyming slang) ; an american.

As an adjective infectious is

(pathology|of an illness) transmitted from one person to another, usually through the air breathed.

septic

English

(wikipedia septic)

Etymology 1

From (etyl) .

Alternative forms

* septick (obsolete)

Adjective

(en adjective)
  • Of or pertaining to sepsis.
  • Causing sepsis or putrefaction.
  • Of or pertaining to sewage or the disposal of sewage.
  • septic tank''; ''septic system

    Noun

    (en noun)
  • A substance that causes sepsis or putrefaction.
  • * 1750', John Pringle, ''Further Experiments on Substances Resisting Putrefaction'', in '''1809 , Charles Hutton, George Shaw, Richard Pearson (editors), ''The Philosophical Transactions of the Royal Society of London , Volume X: 1750—1755, page 86,
  • But, in the prosecution of this subject, he had met with very few real septics ; and found many substances, commonly accounted such, of a quite opposite nature.
  • A septic tank; a system for the disposal of sewage into a septic tank, a septic system.
  • * 2008 , Alexey Voinov, Systems Science and Modeling for Ecological Economics , page 244,
  • The question is whether there are any spatial differences in how septics' impact water quality, and whether these spatial variations should be considered when regulating ' septic improvement or removal.

    Etymology 2

    From (etyl) .

    Noun

    (en noun)
  • (mathematics) A mathematical object (function, curve, surface, etc.) of degree seven.
  • * 2002 , Ingrid C. Bauer, Fabrizio Catanese, Roberto Pignatelli, Canonical Rings of Surfaces Whose Canonical System has Base Points'', Ingrid C. Bauer, et al. (editors) ''Complex Geometry: Collection of Papers Dedicated to Hans Grauert , page 66,
  • 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.
  • * 2003 , Antonio Campillo, Santiago Encinas, Two Dimensional Complete Ideals'', Luchezar L. Avramov, et al. (editors), ''Commutative Algebra: Interactions with Algebraic Geometry: International Conference , page 71,
  • 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 + 6 + 1 =43 points and it is the singular set of a foliation of degree 6.

    Adjective

    (-)
  • (mathematics) Of the seventh degree or order.
  • Etymology 3

    Short form of Cockney rhyming slang .

    Alternative forms

    * Septic

    Noun

    (en noun)
  • (UK, Australia, New Zealand, rhyming slang, derogatory) An American, a Yank.
  • * 2011 , Roger Rees, Out of Calamity: Stories of Trauma Survivors , unnumbered page,
  • “Didn?t enjoy the septics ,” he says jokingly about the Americans.
  • * 2012 , John Righten, The Benevolence of Rogues , page 97,
  • “What?s the septics ? Achilles heel?” I said using the slang septic tank, meaning Yank.

    infectious

    English

    Adjective

    (en adjective)
  • (pathology, of an illness) Transmitted from one person to another, usually through the air breathed.
  • Cancer is not infectious .
    More infectious diseases like the flu are usually less potent.
  • (pathology, of a person) Able to infect others.
  • Despite feeling better, the patient is still infectious .
  • (of feelings and behaviour) Spreading quickly from one person to another.
  • Her enthusiasm for work can be really infectious .
  • (informal) Memorable and invoking excitement or interest.
  • Pop music is more infectious than elevator music.

    Synonyms

    * (transmitted between persons as illness) catching, contagious * (able to infect others) contagious * (spreading quickly between persons) contagious * (memorable and exciting) catchy, contagious

    Derived terms

    * infection * toxicoinfectious

    Anagrams

    *