A difference between the value of a function evaluated at a number, and the value of the same function evaluated at a different number, a fixed distance from the first.

(attributive) spot the difference

(idiomatic, intransitive) To carry out an action, the result of which is a significant change, or an altered circumstance. / (idiomatic, intransitive) To be of importance; to matter.

plural of spot the difference

(mathematics) An equation involving an ordered sequence of real numbers (a_nₙ₌₁ ᪲) and some of its differences, where the first difference is defined as 𝛥(a_n)=a_n+1-a_n, and the kᵗʰ difference is defined recursively as 𝛥ᵏ(a_n)=𝛥ᵏ⁻¹(a_n+1)-𝛥ᵏ⁻¹(a_n),.

plural of common difference

plural of goal difference

Alternative form of differently able

Used other than figuratively or idiomatically: see what, is, the, difference. / (idiomatic) The difference does not matter; so what?

(sports) The difference between the number of goals scored and the number of goals conceded, over the duration of a competition.