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farmer's lung

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noun
  1. a lung disorder caused by inhalation of moldy hay dust, marked by shortness of breath, dry cough, and weight loss.

Origin of farmer's lung

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for farmer's lung

farmer's lung

noun
  1. inflammation of the alveoli of the lungs caused by an allergic response to fungal spores in hay
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

farmer's lung in Medicine

farmer's lung

(färmərz)
n.
  1. An occupational disease characterized by fever and dyspnea, caused by inhalation of organic dust from moldy hay containing spores of actinomycetes and certain fungi.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.