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Definition of "pneumonia" [pneu•mo•ni•a]

  • 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "pneumonia" in a sentence
  • "New Treatment For Pneumonia Presented In Sweden A new medical study managed to find a connection between a probiotic bacterium called Lactobacillus plantarum 299 and a good recovery for patients suffering from pneumonia."
  • ""The Old Man's Friend", isn't that what they call pneumonia?"
  • "I want you to make him what we call a pneumonia jacket."