/di sish"euhn/ , n. Ophthalm.
an incision of the lens of the eye, as for removal of cataract.
[ 1640-50; discission- (s. of discissio ) division, separation, equiv. to L disciss ( us ) torn apart, ptp. of discindere ( di- DI- 2 + scissus torn) + -ion- -ION; see SCISSION ]