pneumoconiosis Hear it!

pneumoconiosis definition

pneumo·co·nio·sis (-kō′nē ō′sis)

noun

a disease of the lungs, characterized by fibrosis and caused by the chronic inhalation of mineral dusts, esp. silica and asbestos

Etymology: ModL < pneumo- + Gr konia (< konis, dust: see incinerate) + -osis

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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