(object-oriented programming) Entity made up of all methods having the same name.

(mathematics) The second of the polygamma functions, after the digamma function.

(mathematics) The first of the polygamma functions, being the logarithmic derivative of the gamma function.

(databases) A function that takes input from various rows at once.

(mathematics) Any of a group of special functions of several complex variables, important in many areas, including the theories of abelian varieties and moduli spaces, and of quadratic forms.

(mathematics) A meromorphic function on ℂ, defined as the (m+1)-th derivative (for a given order m) of the logarithm of the gamma function.

plural of linear functional

A real-valued function on a differentiable manifold such that, at each point in its domain where the function's differential is zero, the function's Hessian is nonsingular.

(linguistics) A word that has little meaning when standing alone, but instead serves to express grammatical relationships with other words within a sentence, or specify the attitude or mood of the speaker, such as prepositions, pronouns, auxiliary verbs, or conjunctions.

plural of functional requirement