leukotomy
leu·ko·tomy
noun
1.
surgical interruption of nerve tracts to and from the frontal lobe of the brain; often results in marked cognitive and personality changes
Origin
From leuko- + -tomy.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.