encephalotomy en·ceph·a·lot·o·my (ěn-sěf'ə-lŏt'ə-mē)
n.
Dissection or incision of the brain.
| the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language). |
| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |