'Scission' definitions:

Definition of 'scission'

(from WordNet)
noun
The act of dividing by cutting or splitting

Definition of 'Scission'

From: GCIDE
  • Scission \Scis"sion\, n. [L. scissio, fr. scindere, scissum, to cut, to split: cf. F. scission.] The act of dividing with an instrument having a sharp edge. --Wiseman. [1913 Webster]