dichotomous

adj

Etymology: From Late Latin dichotomos, from Ancient Greek διχότομος (dikhótomos, “cut in half”). By surface analysis, dichotomy + -ous.

1. Dividing or branching into two mutually exclusive pieces.

   “Genus Riccia L. Plants are thalloid, forming rosettes or loose, dichotomous patches.”

   “The second half of the book switches to the increasingly dark story of how, from the 17th century onwards, European thinkers and politicians constructed a more and more dichotomous worldview.”