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bronchiolitis

noun
  1. a condition in which the small airways in the lungs become inflamed by a virus. It is most common in infants, who become breathless in severe cases. Recurrent attacks may lead to asthma
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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

bronchiolitis in Medicine

bronchiolitis

(brŏng′kē-ō-lītĭs)
n.
  1. Inflammation of the bronchioles, often associated with bronchopneumonia.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

bronchiolitis in Science

bronchiolitis

[brŏng′kē-ə-lītĭs]
  1. An acute viral infection of the bronchioles seen mostly in infants and young children, caused most frequently by the respiratory syncytial virus.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.