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pneumococcus

American  
[noo-muh-kok-uhs, nyoo‑] / ˌnu məˈkɒk əs, ˌnju‑ /

noun

pneumococci plural
  1. a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.


pneumococcus British  
/ ˌnjuːməʊˈkɒkəs /

noun

  1. a spherical bacterium that occurs in the respiratory tract, esp the Gram-positive Diplococcus pneumoniae, which causes pneumonia

"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

Other Word Forms

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Nouns

Etymology

Origin of pneumococcus

From New Latin, dating back to 1885–90; see origin at pneumo- , -coccus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In the case of pneumococcus, for example, immunizing children indirectly protects older adults by limiting transmission.

From Seattle Times Jan. 6, 2022

You know, you and I can be exposed to a pneumococcus and one person gets pneumonia and the other doesn’t.

From The New Yorker Oct. 17, 2019

We have children’s vaccines against measles, mumps, rubella, diphtheria, whooping cough, tetanus, chickenpox, polio, hepatitis A and B, rotavirus, pneumococcus, haemophilus influenzae and meningococcal disease.

From New York Times Nov. 20, 2018

Also called pneumococcus, this pathogen is the most common perpetrator of community-acquired pneumonia, which is pneumonia that people get outside hospitals and nursing homes.

From Washington Post Dec. 30, 2016

Griffith approached the problem by focusing on the microbe: Why was pneumococcus so fatal to animals?

From "The Gene" by Siddhartha Mukherjee

It can be caused by any one of 33 types of pneumococci, by many other bacteria, or by viruses.

From Time Magazine Archive

Yet, the baby, instead of dying, "showed marked improvement . . . within 24 hours," and in a few days the sulfapyridine conquered flu germs as well as pneumococci.

From Time Magazine Archive

What he saw was swarms of vicious pneumococci and tiny, rod-shaped, bloodsucking Hemophilus influenzae, most common of the numerous organisms connected with flu.

From Time Magazine Archive

To combat the pneumococci, he gave the baby injections of the remarkable new drug sulfapyridine.

From Time Magazine Archive

Syphilis is a common cause, but the condition may follow on infections with ordinary pyogenic cocci, pneumococci, the influenza bacillus or the bacillus coli.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

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