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Definition of pneumonia - 6 dictionary results

pneu⋅mo⋅nia

[noo-mohn-yuh, -moh-nee-uh, nyoo-]
–noun Pathology.
1. inflammation of the lungs with congestion.
2. Also called lobar pneumonia. an acute disease of the lungs, caused by the bacterium Streptococcus pneumoniae and characterized by fever, a cough with blood-tinged phlegm, and difficult breathing.

Origin:
1595–1605; < NL < Gk pneumonía. See pneumon-, -ia
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pneu·mo·nia   (nŏŏ-mōn'yə, nyŏŏ-)   
n.  An acute or chronic disease marked by inflammation of the lungs and caused by viruses, bacteria, or other microorganisms and sometimes by physical and chemical irritants.

[New Latin, from Greek pneumoniā, lung disease, alteration (influenced by pneuma, breath) of pleumoniā, from pleumōn, lung; see pleu- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

pneumonia [(nuh-mohn-yuh)]

A disease characterized by inflammation of the lungs. Pneumonia can be caused by many factors, including bacterial infections, viral infections, and the inhalation of chemical irritants.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

pneumonia 
1603, from Mod.L., from Gk. pneumonia "inflammation of the lungs," from pneumon (gen. pneumonos) "lung," altered from pleumon "lung," lit. "floater," from PIE *pleu- "to flow, to swim" (see pulmonary). Alteration in Gk. perhaps by influence of pnein "to breathe."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: pneu·mo·nia
Pronunciation: n(y)u-'mO-ny&
Function: noun
: a disease of the lungs characterized by inflammation andconsolidation followed by resolution and caused by infection or irritants —see BRONCHOPNEUMONIA, LOBAR PNEUMONIA, PRIMARY ATYPICALPNEUMONIA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

pneumonia pneu·mo·nia (n&oobreve;-mōn'yə, ny&oobreve;-)
n.
An acute or chronic disease marked by inflammation of the lungs and caused by viruses, bacteria, or other microorganisms and sometimes by physical and chemical irritants.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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