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



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Word of the Day

7 June 2025

PARSEC

(noun) a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years


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