不ふ名めい数すう

noun

abstract number

Mathematics term for a number without a unit or concrete referent, as opposed to a concrete number (名数).

• 不ふ名めい数すうは、単たん位いを伴ともなわない抽ちゅう象しょう的てきな数すうです。

  An abstract number is a number without an accompanying unit.