multiplicative
/ˌməl-tə-ˈpli-kə-tiv/
adjective
tending or having the power to multiply
of, relating to, or associated with a mathematical operation of multiplication
noun
an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied
noun
an element of a mathematical set that when multiplied by a given element yields the identity element —called also reciprocal