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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.
1715-25; < New Latin; see gum1
Related forms
gummatous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for gummatous


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
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gummatous 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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Encyclopedia Article for gummatous


soft, granulomatous, tumourlike mass, sometimes appearing during the late stages of syphilis, that occurs most often beneath the skin and mucous membranes but that may also be found in the bones, nervous system, and other organs and tissues. See also syphilis.

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landlocked ken (prefecture), Honshu, Japan, containing the western Kanto Plain. Most of its area is mountainous, with two-thirds more than 1,650 feet (500 m) in elevation and volcanic peaks towering over 6,560 feet (2,000 m). The prefectural capital, Maebashi, and most of the population are on a small segment of the plain in the southeast

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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