代だい数すう的てき数すう

noun

algebraic number

A number that is a root of a non-zero polynomial equation with integer coefficients. Used in algebra and number theory.

• √2は代だい数すう的てき数すうである。

  √2 is an algebraic number.

• 代だい数すう的てき数すうの集しゅう合ごうは可か算さん無む限げんである。

  The set of algebraic numbers is countably infinite.