下か位い分ぶん類るい

noun

subclass; subdivision; subcategory

Used in classification systems to refer to a category that falls under a broader one. Common in academic, technical, and organizational contexts.

• この分ぶん類るいでは、哺ほ乳にゅう類るいは脊せき椎つい動どう物ぶつの下か位い分ぶん類るいにあたる。

  In this classification, mammals are a subclass of vertebrates.

• 商しょう品ひんを下か位い分ぶん類るいごとに整せい理りしてください。

  Please organize the products by subcategory.