Webster's Revised Unabridged Dictionary · 1913

Dichotomize

Dichotomize , transitive verb

[See Dichotomous.]

1.
To cut into two parts; to part into two divisions; to divide into pairs; to bisect. [Rare]
The apostolical benediction dichotomizes all good things into grace and peace. — Bp. Hall
2.
(Astronomy) To exhibit as a half disk. See Dichotomy, 3.
[The moon] was dichotomized. — Whewell

Dichotomize , intransitive verb

To separate into two parts; to branch dichotomously; to become dichotomous.