(mathematics) An element of the range of a function. (Or, employing the "machine" metaphor, it is one of the "outputs" of a function.)

(object-oriented programming) Synonym of virtual method

(logic) A function which replaces a variable bound by a universal quantifier which lies in the scope of an even number of logical negations; such function is a function of the remaining bound variables whose scope contain the given variable (being replaced).

(logic) A function which replaces a variable bound by an existential quantifier which lies in the scope of an even number of logical negations; such function is a function of the remaining bound variables whose scope contain the given variable (being replaced).

(computing) A function that modifies a file to make it assume the statistical properties of another file.

(mathematics) A function in a system of differential equations that is only a function of time, unaffected by the other variables; or, more generally, any non-homogeneous source function in any variable.

plural of functional constituency

(Hong Kong, Macau, politics) A type of non-geographical electoral constituency in which the constituents are defined by their professional occupation.

(computer science) A function that defines the output of a particular node in an artificial neural network on the basis of its inputs.

Bottled water with added vitamins, minerals, etc., sold as a health drink.