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单词 polytomy
释义

Definition of polytomy in English:

polytomy

noun pəˈlɪtəmi
  • 1Logic and Statistics. A division or classification into several (usually more than three) groups or subsets; (in later use also) the assignment of three or more possible values to a categorical variable.

  • 2Biology and Taxonomy. Division into more than two branches at the same point or node; the occurrence of such branching.

Origin

Early 19th century; earliest use found in John Richardson (1797–1852), author. From poly- + -tomy, after German Polytomie.

Definition of polytomy in US English:

polytomy

nounpəˈlɪtəmi
  • 1Logic and Statistics. A division or classification into several (usually more than three) groups or subsets; (in later use also) the assignment of three or more possible values to a categorical variable.

  • 2Biology and Taxonomy. Division into more than two branches at the same point or node; the occurrence of such branching.

Origin

Early 19th century; earliest use found in John Richardson (1797–1852), author. From poly- + -tomy, after German Polytomie.

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更新时间:2025/6/19 8:55:28