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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. |
angiocardiography an·gi·o·car·di·og·ra·phy (ān'jē-ō-kär'dē-ŏg'rə-fē)
n.
Examination of the heart and associated blood vessels using x-rays following the injection of a radiopaque substance.