[puhs-choo l]


Pathology. a small elevation of the skin containing pus.
any pimplelike or blisterlike swelling or elevation.

Nearby words

  1. pussyfoot,
  2. pustulant,
  3. pustular,
  4. pustulate,
  5. pustulation,
  6. pustulosis,
  7. pustulosis palmaris et plantaris,
  8. pustulous,
  9. put,
  10. put a bug in someone's ear

Origin of pustule

1350–1400; Middle English < Latin pūstula, pūsula a pimple, blister; akin to Greek phȳsaléos inflated

Related formspus·tuled, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pustule

British Dictionary definitions for pustule



a small inflamed elevated area of skin containing pus
any small distinct spot resembling a pimple or blister
Derived Formspustular (ˈpʌstjʊlə), adjective

Word Origin for pustule

C14: from Latin pustula a blister, variant of pūsula; compare Greek phusallis bladder, phusa bellows

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 pustule



late 14c., from Old French pustule (13c.) and directly from Latin pustula "blister, pimple," from PIE imitative root *pu- (1) "blow, swell," on notion of "inflated area" (cf. Sanskrit pupphusah "lung," Greek physa "breath, blast, wind, bubble," Lithuanian puciu "to blow, swell," Old Church Slavonic puchati "to blow"). Cf. emphysema. Related: Pustulant; pustular.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for pustule


[pŭschōōl, pŭstyōōl]


A small inflamed skin swelling that is filled with pus; a pimple.
A small swelling similar to a blister or pimple.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for pustule



A small inflamed swelling of the skin that is filled with pus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.