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pus definition

pus (pus)

noun

the usually yellowish-white liquid matter produced in certain infections, consisting of bacteria, white corpuscles, serum, etc.

Etymology: L < IE base *pū-, *pu-, to rot, stink (prob. orig. echoic of cry of disgust) > foul, Gr pyon, pus, L putridus, putrid

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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