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category noun

  /ˈkætəˌɡɔɹi/ , /ˈkætɪɡ(ə)ɹi/ , /ˈkɛtɘɡ(ɘ)ɹi/ , /ˈkɛtɘˌɡoːɹi/
  • A group, often named or numbered, to which items are assigned based on similarity or defined criteria.
部門, 分類, 種別, カテゴリ, 範疇
  • (mathematics) A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.
, 部門
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