1) pleurisy accompanied by pneumonia
2) a highly contagious pneumonia usu. associated with pleurisy of cattle, goats, and sheep that is caused by a microorganism of the genus Mycoplasma (esp. M. mycoides)
3) a contagious often fatal respiratory disease esp. of young pigs that is caused by a bacterium of the genus Haemophilus (H. pleuropneumoniae)
4) pleurisy of horses that is often accompanied by pneumonia and is caused by various microorganisms
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n.
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pleu·ro·pneu·mo·nia (ploor″o-n
-moґne-ə) 1. pleurisy complicated with pneumonia; called also pleuritic pneumonia and pneumopleuritis. 2. a contagious disease of cattle and goats caused by infection with Mycoplasma mycoides; see contagious bovine p. and contagious caprine p.
Medical dictionary. 2011.