pneumococcus Hear it!

pneumococcus definition

pneumo·coc·cus (no̵̅o̅′mō käk′əs, nyo̵̅o̅′-)

noun pl. pneumococci -·coc′ci′ (-käk′sī′)

a bacterium (Streptococcus pneumoniae) that is a cause of certain diseases, as pneumonia

Etymology: ModL: see pneumo- & coccus

Related Forms:

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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