Emphysema Definition

ĕmfĭ-sēmə, -zē-
An abnormal swelling of bodily tissues caused by the accumulation of air; esp., such a swelling of the lung tissue, due to the destruction or permanent loss of elasticity of the alveoli, which seriously impairs respiration.
Webster's New World
An abnormal distension of body tissues caused by retention of air.
American Heritage Medicine
Webster's New World

(pathology) An abnormal accumulation of air in tissues, most commonly the lungs.


Origin of Emphysema

  • Greek emphūsēma inflation from emphūsān to blow in en- in en–2 phūsān to blow (from phūsa bellows, bladder)

    From American Heritage Dictionary of the English Language, 5th Edition

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