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单词 polychotomous
释义

polychotomousadj.

Brit. /ˌpɒlɪˈkɒtəməs/, U.S. /ˌpɑliˈkɑdəməs/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, dichotomous adj., trichotomous adj.
Etymology: < poly- comb. form + -chotomous (in dichotomous adj., trichotomous adj.). Compare polytomous adj.The first element of dichotomous adj., trichotomous adj. has been misinterpreted as di- prefix1, tri- comb. form, respectively (rather than Greek διχο- dicho- comb. form, τρίχα : see tricho- comb. form2), and then replaced by poly- comb. form.
Science.
Divided, or involving division, into many (or more than two) parts.
ΘΚΠ
the world > relative properties > number > plurality > [adjective] > divided into several parts
multipartite1656
multifid1731
polychotomous1858
1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Polychotomus, applied to a body that is divided into numerous articulations..: polychotomous.
1929 Amer. Jrnl. Bot. 16 831 (caption) Polychotomous branching of a colony.
1990 Internat. Jrnl. Epidemiol. 19 799/2 For dichotomous, polychotomous and time-to-event outcome variables.., the appropriate approaches are still in the development stage.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1858
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