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[sep-sis] /ˈsɛp sɪs/
noun, Pathology.
local or generalized invasion of the body by pathogenic microorganisms or their toxins:
dental sepsis; wound sepsis.
Origin of sepsis
1855-60; < Greek sêpsis decay; compare sḗpein to make rotten Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for sepsis


the presence of pus-forming bacteria in the body
Word Origin
C19: via New Latin from Greek sēpsis a rotting; related to Greek sēpein to cause to decay
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sepsis

1876, "putrefaction," from Modern Latin sepsis, from Greek sepsis "putrefaction," from sepein "to rot," of unknown origin.

Online Etymology Dictionary, © 2010 Douglas Harper
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sepsis in Medicine

sepsis sep·sis (sěp'sĭs)
n. pl. sep·ses (-sēz)

  1. The presence of pathogenic organisms or their toxins in the blood or tissues.

  2. The poisoned condition resulting from the presence of pathogens or their toxins.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sepsis in Science
A severe infection caused by pathogenic organisms, especially bacteria, in the blood or tissues. If untreated, a localized infection, as in the respiratory or urinary tracts, can lead to infection in the bloodstream and widespread inflammation, characterized initially by fever, chills, and other symptoms and later by septic shock.

septic adjective
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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