leukotome

noun
leu·​ko·​tome
variants: or chiefly British leucotome \ ˈlü-​kə-​ˌtōm How to pronounce leucotome (audio) \

Medical Definition of leukotome

: a cannula through which a wire is inserted and used to cut the white matter in the brain in lobotomy

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of or relating to the heavens

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