Polytomy Definition

pə-lĭtə-mē
noun
In a cladogram, a point from which two or more new branches diverge, representing either of two cases:
American Heritage

Other Word Forms of Polytomy

Noun

Singular:
polytomy
Plural:
polytomies

Origin of Polytomy

  • poly– –tomy (on the model of dichotomy)

    From American Heritage Dictionary of the English Language, 5th Edition

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