Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A prefrontal lobotomy.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun surgery lobotomy

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[leuko– (referring to the white matter of the brain) + –tomy.]

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