[mass noun](technical)the action or state of cutting or being cut, in particular (技)切割,切断;尤指 ■(chiefly Biochemistry)breakage of a chemical bond, especially one in a long chain molecule so that two smaller chains result (主生化)(化学键)断裂(尤指一长链分子中的化学键,因断裂而产生两个较短的分子链) ■[count noun]a division or split between people or parties; a schism (人群或政党间的)分裂
语源
late Middle English: from Old French, or from late Latin scissio(n-), from scindere 'cut, cleave'