[pyoo r-uh-luh nt, pyoo r-yuh-]
  1. full of, containing, forming, or discharging pus; suppurating: a purulent sore.
  2. attended with suppuration: purulent appendicitis.
  3. of the nature of or like pus: purulent matter.

Origin of purulent

1590–1600; < Latin pūrulentus, equivalent to pūr-, stem of pūs pus + -ulentus -ulent
Related formspu·ru·lent·ly, adverbnon·pu·ru·lent, adjectivenon·pu·ru·lent·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for non-purulent


  1. of, relating to, or containing pus
Derived Formspurulence or purulency, nounpurulently, adverb

Word Origin for purulent

C16: from Latin pūrulentus, from pus
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

Word Origin and History for non-purulent



early 15c., from Middle French purulent and directly from Latin purulentus "full of pus," from pus (genitive puris) "pus" (see pus). Related: Purulence.

Online Etymology Dictionary, © 2010 Douglas Harper

non-purulent in Medicine


  1. Containing, discharging, or causing the production of pus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.