n. pl. tri·chot·o·mies 1. Division into three parts or elements. 2. A system based on three parts or elements, especially the theological description of humans as consisting of body, soul, and spirit. [New Latin trichotomia : Greek trikha, in three parts; see trei- in the Appendix of Indo-European roots + New Latin -tomia, -tomy.] tri·choto·mous adj. tri·choto·mous·ly adv. |
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