PNEUMONIA
pneumonia
(noun) respiratory disease characterized by inflammation of the lung parenchyma (excluding the bronchi) with congestion caused by viruses or bacteria or irritants
Source: WordNet® 3.1
Etymology
Noun
pneumonia (usually uncountable, plural pneumonias or pneumoniæ)
An acute or chronic inflammation of the lungs caused by viruses, bacteria or other microorganisms, or sometimes by physical or chemical irritants.
Source: Wiktionary
Pneu*mo"ni*a, n. Etym: [NL., fr. Gr. Pneumatio, Pulmonary.] (Med.)
Definition: Inflammation of the lungs.
Note: Catarrhal pneumonia, or Broncho-pneumonia, is inflammation of
the lung tissue, associated with catarrh and with marked evidences of
inflammation of bronchial membranes, often chronic; -- also called
lobular pneumonia, from its affecting single lobules at a time.
– Croupous pneumonia, or ordinary pneumonia, is an acute affection
characterized by sudden onset with a chill, high fever, rapid course,
and sudden decline; -- also called lobar pneumonia, from its
affecting a whole lobe of the lung at once. See under Croupous.
– Fibroid pneumonia is an inflammation of the interstitial
connective tissue lying between the lobules of the lungs, and is very
slow in its course, producing shrinking and atrophy of the lungs.
Source: Webster’s Unabridged Dictionary 1913 Edition