from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A disease of the lungs caused by continued inhalation of the dust of siliceous minerals and characterized by progressive fibrosis and a chronic shortness of breath.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A disease of the lungs caused by the inhalation of crystalline silica dust.

from The Century Dictionary and Cyclopedia

  • n. Pneumonoconiosis in which the particles are of flint: same as chalicosis.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a lung disease caused by inhaling particles of silica or quartz or slate


New Latin, from silica + -osis. First known use was in 1881. (Wiktionary)



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