Try Our Apps


Gobble up these 8 terms for eating


[noo-muh-kok-uh s, nyoo‐] /ˌnu məˈkɒk əs, ˌnyu‐/
noun, plural pneumococci
[noo-muh-kok-sahy, ‐see, nyoo‐] /ˌnu məˈkɒk saɪ, ‐si, ˌnyu‐/ (Show IPA)
a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
Origin of pneumococcus
1885-90; < New Latin; see pneumo-, -coccus
Related forms
[noo-muh-kok-uh l, nyoo‐] /ˌnu məˈkɒk əl, ˌnyu‐/ (Show IPA),
[noo-muh-kok-sik, nyoo‐] /ˌnu məˈkɒk sɪk, ˌnyu‐/ (Show IPA),
[noo-muh-kok-uh s, nyoo‐] /ˌnu məˈkɒk əs, ˌnyu‐/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for pneumococcus
Historical Examples
British Dictionary definitions for pneumococcus


noun (pl) -cocci (-ˈkɒkaɪ)
a spherical bacterium that occurs in the respiratory tract, esp the Gram-positive Diplococcus pneumoniae, which causes pneumonia
Derived Forms
pneumococcal, adjective
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
Cite This Source
pneumococcus in Medicine

pneumococcus pneu·mo·coc·cus (nōō'mə-kŏk'əs, nyōō'-)
n. pl. pneu·mo·coc·ci (-kŏk'sī', -kŏk'ī')
A nonmotile, gram-positive bacterium (Streptococcus pneumoniae) that is the most common cause of bacterial pneumonia and is associated with meningitis and other infectious diseases.

pneu'mo·coc'cal (-kŏk'əl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Word Value for pneumococcus

Scrabble Words With Friends