Definition of "glioma" []

• A tumor originating in the neuroglia of the brain or spinal cord. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The word glioma itself typically means that this tumor is coming from the brain, as opposed to coming from somewhere else in the body and having spread to the brain."
• "Her research has focused on the development of the mammalian brain, and particularly on why a malignant and quick-spreading kind of brain tumor called glioma is so deadly."
• "In 2004, a rash of early scientific reports suggested that cell phones, which produce radio frequency energy, might cause a fatal form of brain cancer called a glioma."