pus

noun

\ ˈpəs

Definition of pus

: 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

Pus oozed from the cat's injured ear.

Recent Examples on the Web

Then, if the condition is left untreated, pus-containing tissue moves from the throat to different organs, usually the lungs. — Korin Miller, SELF, "A 23-Year-Old College Student Died From Lemierre Syndrome, a Rare Infection She Thought Was Tonsillitis," 6 Nov. 2018 Staph skin infections can also lead to abscesses, according to the Merck Manual, which are basically warm little pockets of pus that lie underneath the skin. — Korin Miller, SELF, "5 Belly Button Infections You Can Get (and What to Do If You Have One)," 23 Feb. 2019 Ultimately, Stein was discharged without evidence of either fever or cancer, an apparent miracle that Coley thought might have something to do with the pus. — David A. Shaywitz, WSJ, "‘The Breakthrough’ and ‘The Beautiful Cure’ Review: Spurring the Body to Fight Back," 13 Nov. 2018 Diarrhea that contains pus is a common sign of ulcerative colitis, according to the Mayo Clinic. — Korin Miller, SELF, "Here’s When to See a Doctor About Diarrhea and When to Wait for It to Pass," 17 July 2018 Nodules are large, firm and inflamed — but these do not contain pus. — Molly Nover-baker, Redbook, "How to Get Rid of Annoying Acne, So You Don't Have to Feel Like a Miserable Teenager," 27 Dec. 2016 Logan and his girlfriend Chloe Bennet headed to the queen of zits to rid him of a back protrusion filled with pus. — Seventeen, "Dr. Pimple Popper Dug a Hardened Cyst Out of Logan Paul's Back and It Looks Like Goat Cheese," 26 Sep. 2018 While the first video shows more pus, oil, and blood than most would like to ever see, the second video presents the real kicker. — Blake Bakkila, Health.com, "This 20-Minute Pimple Popping Video Will Give You Nightmares," 18 June 2018 Tune in next week for a whole new episode, and a whole lot more pus. — refinery29.com, "The First Episode Of Dr. Pimple Popper Is A Popaholic's Dream Come True," 12 July 2018

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.

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Last Updated

10 May 2019

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The first known use of pus was in the 15th century

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More Definitions for pus

pus

noun

English Language Learners Definition of pus

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

See the full definition for pus in the English Language Learners Dictionary

pus

noun

\ ˈpəs

Kids Definition of pus

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

pus

noun

\ ˈpəs

Medical Definition of pus

: 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)