100 English words for 'A function that takes a function as its argument; More precisely: A function whose argument varies in a space of (real or complex valued) functions and whose value belongs to a monodimensional space. An example is the definite integration of integrable real functions in a real interval.'

functional

functor

antiderivative

impulse function

callee

metafunction

differential structure

pronoun

nome

functionomic

Morse theory

composite

birational

complex function

algebraic function

step function

Kan extension

polynomial function

dianalytic

elementary function

real function

exponential

integration

primitive

prototype extension

transcendental function

extremizer

integrand

map

total function

theta function

antiholomorphic

superadditivity

autoconvolution

indefinite integral

integral function

suspension

image

retraction

integral

-orium

logarithmic derivative

interpolant

tacit programming

hyperfunction

domain of a function

function-evaluation routine

monomorphisation

domain

argument

symmetrizer

total

applicand

measurable function

transform

infinitival

definite integral

utility function

Fourier transform

arithmetic function

kernel

involution

parameter

plurifunctional

use

ring homomorphism

forcing function

hypoplactic

linearly

differentiable

vector field

beta reduce

Hartley transform

Lp space

Dirac delta function

arcoth

double dispatch

multifunction

callable

special function

rational function

integrable function

differentiable manifold

differential operator

composite function

hyperbolic function

higher-order function

multipacting

iterate

Vitali-Carathéodory theorem

continuative

conjunctive

connective

conjunction