零れい元げん

noun

zero element

In abstract algebra, the element of a set that, when combined with any other element under a given operation, leaves that element unchanged. Used in contexts such as additive identity in rings or vector spaces.

• ベクトル空くう間かんの零れい元げんは、加か法ほうに関かんする単たん位い元げんである。

  The zero element of a vector space is the identity element with respect to addition.