polytomy

[puh-lit-uh-mee]
noun, plural po·lyt·o·mies.
  1. the act or process of dividing into more than three parts.
  2. the state or condition of being so divided.

Origin of polytomy

First recorded in 1860–65; poly- + -tomy
Related formspo·lyt·o·mous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018