WordReference Random House Unabridged Dictionary of American English © 2025
dis•cis•sion
(di sish′ən),USA pronunciation n. [Ophthalm.]
- Ophthalmologyan incision of the lens of the eye, as for removal of cataract.
- Late Latin dīscissiōn- (stem of dīscissiō) division, separation, equivalent. to Latin dīsciss(us) torn apart, past participle of dīscindere (dī- di-2 + scissus torn) + -iōn- -ion; see scission
- 1640–50