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[guhm-uh] /ˈgʌm ə/
noun, plural gummas, gummata
[guhm-uh-tuh] /ˈgʌm ə tə/ (Show IPA).
a rubbery, tumorlike lesion associated with tertiary syphilis.
Origin of gumma
From New Latin, dating back to 1715-25; See origin at gum1
Related forms
gummatous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for gumma


noun (pl) -mas, -mata (-mətə)
(pathol) a rubbery tumour characteristic of advanced syphilis, occurring esp on the skin, liver, brain or heart
Derived Forms
gummatous, adjective
Word Origin
C18: from New Latin, from Latin gummigum1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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gumma in Medicine

gumma gum·ma (gŭm'ə)
n. pl. gum·mas or gum·ma·ta (gŭm'ə-tə)
A small, rubbery granuloma having a necrotic center and an inflamed, fibrous capsule. It is characteristic of an advanced stage of syphilis. Also called syphiloma.

gum'ma·tous adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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