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Is there a synonym or (concise phrase) for a dichotomy when there is an unspecified number of discrete groups?

The exact number is not known, so it is not suitable to write tetrachotomy, hexachotomy, etc.

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Got it! Polychotomy - division into more than two parts or groups; esp. (Taxon.) the division of a taxonomic grouping into more than two subgroups; an instance of this.

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  • +1 You actually jumped on finding the word? Lol.
    – Kris
    Nov 13 '14 at 13:42

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