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1. (n.) emphysema
a chronic disease of the lungs characterized by difficulty in breathing due to abnormal enlargement and loss of elasticity of the air spaces.
2. emphysema
any abnormal distention of an organ or part of the body with air or other gas.
Etymology: (1655–65; < NL < Gk emph&ymacracute;sēma=emph&ymacr;sē-, var. s. of emph&ymacr;sân to blow up, inflate +-ma n. suffix of result)
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| Definition of 'emphysema' |
Princeton's WordNet |
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1. (noun) emphysema, pulmonary emphysema
an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age
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| Definition of 'emphysema' |
Webster Dictionary |
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1. (noun) emphysema
a swelling produced by gas or air diffused in the cellular tissue
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| Definition of 'emphysema' |
U.S. National Library of Medicine |
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1. emphysema
A pathological accumulation of air in tissues or organs.
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Definitions of emphysema 
