pus

play
noun \ˈpəs\

Definition of pus

  1. :  a thick, opaque, usually yellowish-white, fluid matter that is formed as part of an inflammatory response typically associated with an infection and is composed of exudate chiefly containing dead white blood cells (such as neutrophils), tissue debris, and pathogenic microorganisms (such as bacteria)

Examples of pus in a Sentence

  1. Pus oozed from the cat's injured ear.

Recent Examples of pus from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pus

Latin pur-, pus — more at foul


PUS Defined for English Language Learners

pus

play
noun

Definition of pus for English Language Learners

  • medical : a thick, yellowish substance that is produced when a part of the body or a wound becomes infected


PUS Defined for Kids

pus

play
noun \ˈpəs\

Definition of pus for Students

  1. :  a thick yellowish substance that is produced when a part of the body or a wound becomes infected


Medical Dictionary

pus

play
noun \ˈpəs\

Medical Definition of pus

  1. :  a thick, opaque, usually yellowish-white, fluid matter that is formed as part of an inflammatory response typically associated with an infection and is composed of exudate chiefly containing dead white blood cells (as neutrophils), tissue debris, and pathogenic microorganisms (as bacteria)



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