/dɪˈkɒtɒmɪk/ Dih-kot-om-ik

Definitions

1. adjective

divided or characterized by two kinds, principles, or elements, especially mutually exclusive ones

“The dichotomic nature of the problem made it difficult to solve.”

2. noun

a dichotomous division or classification, especially in a hierarchical system

“The biologist used dichotomic keys to identify the species.”