dichotomous
adjective
[ dʌɪˈkɒtəməs ]
• exhibiting or characterized by dichotomy.
• "a dichotomous view of the world"
• (of branching) in which the axis is divided into two branches.
Origin:
late 17th century: via late Latin from Greek dikhotomos (from dikho- ‘in two’ + temnein ‘to cut’) + -ous.