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A cancerous skin ulcer that derives from basal cells and usually occurs on the face.
[Latin rodēns, rodent-, gnawing; see rodent.]
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.
(Pathology) a slow-growing malignant tumour on the face, usually occurring at the edge of the eyelids, lips, or nostrils
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014