(physics) a mathematical function that describes the behaviour of paramagnetic materials and the dielectric properties of insulators

(mathematics) a function of the generalized coordinates and velocities of a dynamic system from which Lagrange's equations may be derived

(mathematics) The general solution of a homogenous linear differential equation.

(programming) Programming in a style that, in lieu of assignment, uses procedure calls to bind variables to values, so that referential transparency is preserved.

Alternative spelling of wavefunction

(mathematics) Any metric space whose elements are functions

(medicine) A branch of kinesiology that studies the configuration of limbs during the performance of a task.

(mathematics) Any function in which the interchange of two independent variables changes the sign of the dependent variable.

(mathematics) An inverse hyperbolic function

(algebraic geometry) Informally, any function expressible using (only) the operations of addition, subtraction, multiplication, division and raising to a rational power; more precisely, any continuous function definable as the root of some polynomial equation.