noun, plural gliomas, gliomata [glahy-oh-muh-tuh] .
a tumor of the brain composed of neuroglia.

1865–70; < Neo-Latin; see glia, -oma

gliomatous [glahy-oh-muh-tuhs, -om-uh-] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
glioma (ɡlaɪˈəʊmə)
n , pl -mata, -mas
a tumour of the brain and spinal cord, composed of neuroglia cells and fibres
[C19: from New Latin, from Greek glia glue + -oma]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

glioma gli·o·ma (glē-ō'mə, glī-)
n. pl. gli·o·mas or gli·o·ma·ta (-mə-tə)
A tumor that originates in the neuroglia of the brain or the spinal cord.

gli·om'a·tous (-ŏm'ə-təs, -ō'mə-) 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 Britannica


a cancerous growth or tumour composed of cells derived from neuroglial tissue, the material that supports and protects nerve cells. Gliomas may form in the retina of the eye, in the brain, in the heart, in the myelin sheaths of nerves (neurilemmoma), and occasionally in the sinus, where the tumour has been derived from the olfactory bulb of the brain. Gliomas can occur almost anywhere in connection with nerve tissue and may appear with other cancerous tissue, such as that of blood vessels, bone, or cartilage. They are of variable malignancy.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
My husband has a malignant glioma from his long term cell phone use.
The treatment depends on the aggressiveness of the tumor and whether it is a glioma or another type of cancer.
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