1. the action or state of cutting or being cut.technical
▪ breakage of a chemical bond, especially one in a long chain molecule so that two smaller chains result: technical"this bacteriophage catalyses scission of DNA strands"
▪ a division or split between people or parties; a schism:technical"a scission arose between the socialists and those further to the left"
Word Originlate Middle English: from Old French, or from late Latin scissio(n-), from scindere ‘cut, cleave’.