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| an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language. |
| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
bronchiectasis bron·chi·ec·ta·sis (brŏng'kē-ěk'tə-sĭs)
n.
Chronic dilation of bronchi or bronchioles, often due to inflammatory disease or obstruction.