noun
non-integer
Computing term for a number that is not an integer, such as a decimal or fraction.
この関数は整数以外の値を引数として受け付けない。
This function does not accept non-integer values as arguments.
整数 means 'integer', while 整数以外 means 'non-integer'.
Compound of 整数 (integer) + 以外 (outside of, except).