noun Veterinary Pathology.

canine pellagra.

Origin of blacktongue

An Americanism dating back to 1825–35; black + tongue Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

black tongue in Medicine

black tongue


The presence of a blackish- to yellowish-brown patch or patches on the tongue, accompanied by elongation of the papillae.melanoglossia
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.