present participle of make a difference

Someone who, or something that, makes a difference.

That makes a difference; that is consequentially important.

(rare) The act of making a difference.

Alternative form of difference maker

(combinatorics) A subset of a group such that any element of the group can be expressed as the difference (or the quotient) of two elements in such subset.

plural of difference set

A great or insurmountable difference.

Different people like different things; there's no accounting for taste.

(algebra) The identity x²-y²=(x+y)(x-y), that holds for all real numbers.