function English
Noun
( en noun)
What something does or is used for.
* {{quotemagazine, year=2013, month=MayJune, author= Katrina G. Claw
, title= Rapid Evolution in Eggs and Sperm
, volume=101, issue=3, magazine=( American Scientist)
, passage=Many genes with reproductive roles also have antibacterial and immune functions , which indicate that the threat of microbial attack on the sperm or egg may be a major influence on rapid evolution during reproduction.}}
A professional or official position.
(senseid)An official or social occasion.
A relation where one thing is dependent on another for its existence, value, or significance.
(mathematics) A relation in which each element of the domain is associated with exactly one element of the codomain.
(computing) A routine that receives zero or more arguments and may return a result.
(biology) The physiological activity of an organ or body part.
(chemistry) The characteristic behavior of a chemical compound.
(anthropology) The role of a social practice in the continued existence of the group.
Synonyms
* (what something does or is used for) aim, intention, purpose, role, use
* (professional or official position) occupation, office, part, role
* (official or social occasion) affair, occasion, social occasion, social function
* manytoone map, manytoone mapping, mathematical function, operation, transformation
* procedure, routine, subprogram, subroutine
Hypernyms
* (mathematics) relation
Related terms
* (l)
* (l)
Derived terms
* absolutely continuous function
* acidity function
* adaptivecontrol function
* additive function
* additive set function
* adjoint wave function
* aggregate function
* Airy function
* Airy stress function
* algebraic function
* almostperiodic function
* alternating function
* analytic function
* analytical function generator
* anatomy of function
* antihyperbolic function
* antisymmetric wave function
* antisymmetrized wave function
* antitrigonometric function
* archyperbolic function
* autocorrelation function
* Baire function
* bei function
* ber function
* Bessel function
* beta function
* bifunctional
* biharmonic function
* Bloch function
* Boolean function
* Borel measurable function
* bounded function
* boxcar function
* Brillouin function
* builtin function
* Cantor function
* characteristic function
* circular function
* cofunction
* comparable function
* complementary function
* complete class of decision function
* composite function
* compressadensity function
* computable function
* concave function
* confluent hypergeometric function
* conjugate convex function
* connect function
* constant function
* constraint function
* contiguous function
* continuous function
* convex function
* cosine function
* cost function
* countably additive set function
* countably subadditive set function
* critical function
* crosscorrelation function
* cyclosymmetric function
* cylinder function
* decreasing function
* delta function
* density function
* describing function
* differentiable function
* difunctional
* digamma function
* diode function generator
* Dirac wave function
* discriminant function
* disfunction
* dissipation function
* drivingpoint function
* dysfunction
* effectively computable function
* eigenfunction
* eigenfunction expansion
* Einstein partition function
* electron wave function
* electronic work function
* elementary function
* elementary symmetric function
* elliptic function
* Emden function
* entire function
* equivalent propositional function
* error function
* essentially bounded function
* Euler's phi function
* even function
* excitation function
* executive ego function
* explicit function
* exponential density function
* exponential function
* exponential generating function
* feedback transfer function
* FermiDirac distribution function
* form function
* forward transfer function
* Fowler function
* frontogenetic function
* function code
* function failure safety
* function generator
* function key
* function multiplier
* function object
* function space
* function switch
* function table
* function unit
* functionevaluation routine
* functional
* functionalism
* functionality
* gamma function
* generalpurpose function generator
* generalized transmission function
* generating function
* Green's function
* Hamiltonian function
* Hammett acidity function
* Hankel function
* harmonic function
* Heaviside unit function
* hei function
* her function
* Hildebrand function
* homogeneous function
* Hugoniot function
* hybrid wave function
* hyperbolic function
* hypergeometric function
* identity function
* implicit function
* implicit function theorem
* impulse function
* incidence function
* incomplete beta function
* incomplete gamma function
* increasing function
* independent function
* influence function
* information function of a partition
* initial mass function
* inner function
* integrable function
* integral function
* invariant function
* inverse function
* inverse function theorem
* inverse hyperbolic function
* inverse trigonometric function
* inverting function
* J function
* Jacobian elliptic function
* jump function
* kei function
* ker function
* Koebe function
* Lagrange stream function
* Lagrangian function
*
*
* Langevin function
* leftcontinuous function
* Legendre function
* Leverett function
* line function
* linear discriminant function
* linear function
* Liouville function
* locally integrable function
* logarithmic trigonometric function
* logarithmically convex function
* loop transfer function
* loss function
* lower semicontinuous function
* luminosity function
* Lyapunov function
* malfunction
* malfunction routine
* Massieu function
* mathematical function program
* Mathieu function
* Maxwell's stress function
* measurable function
* membership function
* meromorphic function
* microspec function
* minimal brain dysfunction syndrome
* Minkowski distance function
*
* modified Bessel function
* modified Hankel function
* moment generating function
* momentum wave function
* monofunctional compound
* monogenic analytic function
* monotone function
* monotone nondecreasing function
* monotone nonincreasing function
* monotonic increasing function
* Morera's stress function
* multifunction array radar
* multilinear function
* multiplicative numbertheoretic function
* natural function
* Neumann function
* nonfunctional packages software
* normal density function
* normalized function
* normalized support function
* NOT function
* nuclear response function
* numbertheoretic function
* objective function
* odd function
* optimizing control function
* orthogonal function
* orthonormal function
* parabolic cylinder function
* partial function
* partial recursive function
* particle distribution function
* partition function
* Patterson function
* penalty function
* periodic function
* phase function
* piecewisecontinuous function
* Planck function
* point characteristic function
* point function
* Poisson density function
* polynomial function
* positive linear functional
* positive real function
* power function
* predefined function
* principal function
* probability density function
* probability mass function
* programmed function key
* proper rational function
* propositional function
* psi function
* pulsed transfer function
* quadratic function
* Rademacher function
* radial distribution function
* radicofunctional name
* random function
* rational function
* Rayleigh's dissipation function
* realvalued function
* recursive function
* regular function
* regulatory control function
* restricted function
* RiccatiBessel function
* Riemann function
* Riemann P function
* Riemann zeta function
* sample function
* scalar function
* scattering function
*
* selfdual switching function
* selforganizing function
* sensitivity function
* separatedfunction synchrotron
* set function
* sharpness function technique
* shearviscosity function
* sigma function
* simple function
* simply periodic function
* singlevalued function
* sinusoidal function
* skewed density function
* Smarandache function
* source function
* special function
* spectral function
* spherical Bessel function
* staff function
* step function
* stepfunction generator
* Stokes stream function
* stress function
* subadditive function
* subadditive set function
* subfunction
* subfunctional
* subharmonic function
* subsine function
* summable function
* superadditive function
* superharmonic function
* support function
* switch function
* switching function
* symmetric function
* tappedpotentiometer function generator
* test function
* tetrafunctional molecule
* thermionic work function
* thermodynamic function of state
* theta function
* toolfunction controller
* torsion function
* transcendental function
* transfer function
* transition function
* transmission function
* trigamma function
* trigonometric cofunction
* trigonometric function
* truth function
* Turing computable function
* universal transmission function
* universal wavelength function
* upper semicontinuous function
* userdefined function
* variable diode function generator
* vector function
* viscous dissipation function
* wave function
* Wannier function
* Weierstrass function
* Weierstrassian elliptic function
* weight function
* work function
Verb
( en verb)
to have a function
to carry on a function; to be in action
Synonyms
* (to have a function) officiate, serve
* (to carry on a function) go, operate, run, work
Antonyms
* (to carry on a function) malfunction
Related terms
* functional
* dysfunction, dysfunctional

root English
Etymology 1
From (etyl) ; cognate with wort and radix.
Noun
( en noun)
The part of a plant, generally underground, that absorbs water and nutrients.
 This tree's roots can go as deep as twenty metres underground.
A root vegetable.
*
 two fields which should have been sown with roots in the early summer were not sown because the ploughing had not been completed early enough.
The part of a tooth extending into the bone holding the tooth in place.
 Root damage is a common problem of overbrushing.
The part of a hair under the skin that holds the hair in place.
 The root is the only part of the hair that is alive.
The part of a hair near the skin that has not been dyed, permed, or otherwise treated.
 He dyed his hair black last month, so the grey roots can be seen.
The primary source; origin.
 The love of money is the root of all evil.
* John Locke
 They were the roots out of which sprang two distinct people.
(arithmetic) Of a number or expression, a number which, when raised to a specified power, yields the specified number or expression.
 The cube root of 27 is 3.
(arithmetic) A square root (understood if no power is specified; in which case, “the root of” is often abbreviated to “root”).
 Multiply by root 2.
(analysis) A zero (of a function).
(graph theory, computing) The single node of a tree that has no parent.
(linguistic morphology) The primary lexical unit of a word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents. Inflectional stems often derive from roots.
(philology) A word from which another word or words are derived.
(music) The fundamental tone of any chord; the tone from whose harmonics, or overtones, a chord is composed.
 (Busby)
The lowest place, position, or part.
* Milton
 deep to the roots of hell
* Southey
 the roots of the mountains
(computing) In UNIX terminology, the first user account with complete access to the operating system and its configuration, found at the root of the directory structure.
(computing) The person who manages accounts on a UNIX system.
(computing) The highest directory of a directory structure which may contain both files and subdirectories. (rfex)
Synonyms
* (source) basis, origin, source
* (zero of a function) zero
* (word from which another is derived) etymon
* superuser (), root account, root user
Antonyms
* (zero of a function) pole
Holonyms
* (zero of a function) kernel
Derived terms
* cube root
* functional root
* put down roots
* root canal
* root cause
* rootkit
* roots
* roots music
* rootsy
* square root
* strictly roots
* take root
* taproot
* root gap
Verb
( en verb)
(computing, slang, transitive) To break into a computer system and obtain root access.
 We rooted his box and planted a virus on it.
To fix the root; to enter the earth, as roots; to take root and begin to grow.
* Mortimer
 In deep grounds the weeds root deeper.
* '>citation
To be firmly fixed; to be established.
* Bishop Fell
 If any irregularity chanced to intervene and to cause misapprehensions, he gave them not leave to root and fasten by concealment.
See also
* (linguistics) stem
Etymology 2
From (etyl) . Cognate with rodent. Cognate with Dutch wroeten.
Verb
( en verb)
To turn up or dig with the snout.
 A pig roots the earth for truffles.
(by extension) To seek favour or advancement by low arts or grovelling servility; to fawn.
To rummage, to search as if by digging in soil.
 rooting about in a junkfilled drawer
To root out; to abolish.
* Shakespeare
 I will go root away the noisome weeds.
* Bible, Deuteronomy xxix. 28
 The Lord rooted them out of their land and cast them into another land.
(Australia, New Zealand, vulgar, slang) To have sexual intercourse.
Usage notes
* The Australian/New Zealand sexual sense is somewhat milder than fuck but still quite coarse, certainly not for polite conversation. The sexual sense will often be understood, unless care is taken with the context to make the rummage sense clear, or 'root through' or 'root around' is used. The past participle rooted'' is equivalent to ''fucked'' in the figurative sense of broken or tired, but ''rooting'' is only the direct verbal sense, not an allpurpose intensive like ''fucking .
Synonyms
* (rummage) dig out, root out, rummage
* (have sexual intercourse) screw, bang, drill (US), shag (British)  See also
Derived terms
* root about
* rooted
* root out
* root up
Noun
( en noun)
(Australia, New Zealand, vulgar, slang) An act of sexual intercourse.
 Fancy a root ?
(Australia, New Zealand, vulgar, slang) A sexual partner.
Usage notes
* The Australian/New Zealand sexual sense of root'' is somewhat milder than ''fuck'' but still quite coarse, certainly not for polite conversation. The normal usage is ''to have a root or similar.
Synonyms
* (act of sexual intercourse) screw (qualifier), shag (UK); see also
* (sexual partner) screw (US)
Etymology 3
Possibly an alteration of , influenced by hoot
Verb
( en verb)
(intransitive, with for, US) To cheer to show support for.
* 1908 ,
 Let me root', '''root''', ' root for the home team,
(US) To hope for the success of. Rendered as 'root for'.
 I'm rooting for you, don't let me down!
Synonyms
* (cheer) barrack (qualifier), cheer on
Anagrams
*

