Definition of "dichotomous"

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

1992, Marie L. Hicks, Guide to the Liverworts of North Carolina, page 197

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.

2023 February 23, Fara Dabhoiwala, “The West by Naoíse Mac Sweeney review – history rediscovered”, in The Guardian‎