Definition of "glioblastoma" []

• A malignant tumor of the central nervous system, usually occurring in the cerebrum of adults. (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.

• "But the most malignant kind -- and we do not know what type of brain tumor exactly this is, other than to say malignant glioma, but unfortunately the most common kind is something we call glioblastoma multiforme."
• "The FDA approved the device specifically for a tumor type known as glioblastoma, the most aggressive form of brain cancer."
• "George, who wrote most of his works, including more than a dozen Broadway shows, in collaboration with his elder brother, lyricist Ira Gershwin, died at the age of 38, diagnosed with a malignant brain tumor known as glioblastoma multiforme."