scission noun. ['sɪʃ(ǝ)n] LME.
[Old & mod. French, or late Latin scissio(n-), from Latin sciss- pa. ppl stem of scindere cut, cleave: see -ION.]
1. The action or an act of cutting or dividing; (a) division; a split. LME.
■ R. D. Laing There is a persistent scission between the self and the body.

2. a. Chemistry. Breakage of a bond, esp. in a long chain polymer such that two smaller chains result. E20.
b. Nuclear Physics. The event of separation of the parts of a nucleus undergoing fission, as distinct from the process as a whole. M20.

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