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Any of several, usually occupational diseases of the lungs, such as asbestosis or silicosis, caused by prolonged inhalation of especially mineral or metallic dust particles.
pneu′mo·co′ni·ot′ic (-ŏt′ĭk) adj. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Medicine) a person who suffers from pneumoconiosis
(Medicine) relating to pneumoconiosis
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014