dichotomisation

English Thesaurus

1. the act of dividing into two sharply different categories (noun.act)

hypernym	:	division,
definition	:	the act or process of dividing (noun.act)

derivation	:	dichotomise, dichotomize,
definition	:	divide into two opposing groups or kinds (verb.cognition)

derivation	:	dichotomise, dichotomize,
definition	:	divide into two opposing groups or kinds (verb.cognition)