Etymology
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glioma (n.)

type of brain tumor, 1870, medical Latin, literally "glue tumor," from Greek glia "glue" (from PIE root *glei- "clay," also forming words with a sense of "to stick together;" see clay) + -oma. Related: Gliomatosis; gliomatous.

updated on November 27, 2016

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Definitions of glioma from WordNet

glioma (n.)
a tumor of the brain consisting of neuroglia;
From wordnet.princeton.edu, not affiliated with etymonline.