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definitions - function

function (n.)

1.the actions and activities assigned to or required or expected of a person or group"the function of a teacher" "the government must do its part" "play its role"

2.what something is used for"the function of an auger is to bore holes" "ballet is beautiful but what use is it?"

3.a set sequence of steps, part of larger computer program

4.a vaguely specified social event"the party was quite an affair" "an occasion arranged to honor the president" "a seemingly endless round of social functions"

5.a formal or official social gathering or ceremony"it was a black-tie function"

6.a relation such that one thing is dependent on another"height is a function of age" "price is a function of supply and demand"

7.(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)

function (v. intr.)

1.perform duties attached to a particular office or place or function"His wife officiated as his private secretary"

2.perform as expected when applied"The washing machine won't go unless it's plugged in" "Does this old car still run well?" "This old radio doesn't work anymore"

3.serve a purpose, role, or function"The tree stump serves as a table" "The female students served as a control group" "This table would serve very well" "His freedom served him well" "The table functions as a desk"

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Merriam Webster

FunctionFunc"tion (?), n. [L. functio, fr. fungi to perform, execute, akin to Skr. bhuj to enjoy, have the use of: cf. F. fonction. Cf. Defunct.]
1. The act of executing or performing any duty, office, or calling; performance. “In the function of his public calling.” Swift.

2. (Physiol.) The appropriate action of any special organ or part of an animal or vegetable organism; as, the function of the heart or the limbs; the function of leaves, sap, roots, etc.; life is the sum of the functions of the various organs and parts of the body.

3. The natural or assigned action of any power or faculty, as of the soul, or of the intellect; the exertion of an energy of some determinate kind.

As the mind opens, and its functions spread. Pope.

4. The course of action which peculiarly pertains to any public officer in church or state; the activity appropriate to any business or profession.

Tradesmen . . . going about their functions. Shak.

The malady which made him incapable of performing his
regal functions.

5. (Math.) A quantity so connected with another quantity, that if any alteration be made in the latter there will be a consequent alteration in the former. Each quantity is said to be a function of the other. Thus, the circumference of a circle is a function of the diameter. If x be a symbol to which different numerical values can be assigned, such expressions as x2, 3x, Log. x, and Sin. x, are all functions of x.

6. (Eccl.) A religious ceremony, esp. one particularly impressive and elaborate.

Every solemn ‘function' performed with the requirements of the liturgy. Card. Wiseman.

7. A public or social ceremony or gathering; a festivity or entertainment, esp. one somewhat formal.

This function, which is our chief social event. W. D. Howells.

Algebraic function, a quantity whose connection with the variable is expressed by an equation that involves only the algebraic operations of addition, subtraction, multiplication, division, raising to a given power, and extracting a given root; -- opposed to transcendental function. -- Arbitrary function. See under Arbitrary. -- Calculus of functions. See under Calculus. -- Carnot's function (Thermo-dynamics), a relation between the amount of heat given off by a source of heat, and the work which can be done by it. It is approximately equal to the mechanical equivalent of the thermal unit divided by the number expressing the temperature in degrees of the air thermometer, reckoned from its zero of expansion. -- Circular functions. See Inverse trigonometrical functions (below). -- Continuous function, a quantity that has no interruption in the continuity of its real values, as the variable changes between any specified limits. -- Discontinuous function. See under Discontinuous. -- Elliptic functions, a large and important class of functions, so called because one of the forms expresses the relation of the arc of an ellipse to the straight lines connected therewith. -- Explicit function, a quantity directly expressed in terms of the independently varying quantity; thus, in the equations y = 6x2, y = 10 -x3, the quantity y is an explicit function of x. -- Implicit function, a quantity whose relation to the variable is expressed indirectly by an equation; thus, y in the equation x2 + y2 = 100 is an implicit function of x. -- Inverse trigonometrical functions, or Circular functions, the lengths of arcs relative to the sines, tangents, etc. Thus, AB is the arc whose sine is BD, and (if the length of BD is x) is written sin -1x, and so of the other lines. See Trigonometrical function (below). Other transcendental functions are the exponential functions, the elliptic functions, the gamma functions, the theta functions, etc. -- One-valued function, a quantity that has one, and only one, value for each value of the variable. -- Transcendental functions, a quantity whose connection with the variable cannot be expressed by algebraic operations; thus, y in the equation y = 10x is a transcendental function of x. See Algebraic function (above). -- Trigonometrical function, a quantity whose relation to the variable is the same as that of a certain straight line drawn in a circle whose radius is unity, to the length of a corresponding are of the circle. Let AB be an arc in a circle, whose radius OA is unity let AC be a quadrant, and let OC, DB, and AF be drawnpependicular to OA, and EB and CG parallel to OA, and let OB be produced to G and F. E Then BD is the sine of the arc AB; OD or EB is the cosine, AF is the tangent, CG is the cotangent, OF is the secant OG is the cosecant, AD is the versed sine, and CE is the coversed sine of the are AB. If the length of AB be represented by x (OA being unity) then the lengths of Functions. these lines (OA being unity) are the trigonometrical functions of x, and are written sin x, cos x, tan x (or tang x), cot x, sec x, cosec x, versin x, coversin x. These quantities are also considered as functions of the angle BOA.

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definition (more)

definition of Wikipedia

synonyms - function

see also - function

function (n.)


function (v. intr.)

functioning, working, workings malfunction, misfunction


-Abnormal bladder function test • Abnormal renal function test • Abnormal results of function studies • Abnormal results of function studies of central nervous system • Abnormal results of function studies of other organs and systems • Abnormal results of function studies of peripheral nervous system and special senses • Abnormal splenic function test • Adrenal Cortex Function Tests • Atrial Function • Atrial Function, Left • Atrial Function, Right • B-cell numbers and function • Cardiac Function Tests • Delayed Graft Function • Fetoplacental Function Tests • Frankel Function Regulator • Function Activator • Heart Function Tests • Kidney Function Tests • Left Atrial Function • Left Ventricular Function • Liver Function Tests • Loss of function of labyrinth • Lymphocyte Function Associated Antigen-3 • Lymphocyte Function-Associated Antigen-1 • Lymphocyte function antigen-1 [LFA-1] defect • Maintenance of Luteal Function • Mixed Function Oxidases • Mixed Function Oxygenases • Ovarian Function Tests • Overactive Detrusor Function • Pancreatic Function Tests • Pituitary Function Tests • Pituitary Gland Function Tests • Pituitary-Adrenal Function Tests • Placental Function Tests • Platelet Function Tests • Pulmonary Function Tests • Recovery of Function • Respiratory Function Tests • Right Atrial Function • Right Ventricular Function • SOS Function • Thyroid Function Tests • Thyroid Gland Function Tests • Ventricular Function • Ventricular Function, Left • Ventricular Function, Right • Vestibular Function Tests • analytic function • aperiodic function • bodily function • characterisic function • circular function • composite function • control function • cosine function • derived function • discontinuous function • domain of a function • elementary function • executive function • exponential function • function as • function call • function word • harmonic function • hepatic function tests • inverse function • library function • line function • localisation of function • localization of function • mathematical function • metric function • objective function • range of a function • round-up function • sentential function • single function industrial building • single-valued function • social function • threshold function • trigonometric function

-Additive arithmetic function • Additive function • Analytic function • Anti-analytic function • Anti-holomorphic function • Antiholomorphic function • Baire function • Barrier function • Basis function • Beverage function • Bidirectional scattering distribution function • Big Omega function • Biholomorphic function • Binary function • Boolean valued function • Boolean-valued function • Bounded function • Chapman function • Characteristic function • Concave function • Configuration state function • Constant function • Continuous function • Control function • Convenience function • Correlation function • Correlation function (astronomy) • Cryptographic hash function • Crystal ball (function) • Cumulative density function • Cumulative distribution function • Dawson function • Debye function • Dedekind function • Delta function • Diatonic function • Dirichlet L-function • Distributed Coordination Function • Domain of a function • Double-periodic function • Doubly-periodic function • Elementary function • Elliptic function • Empty function • Eta function • Evaluation function • Evolving classification function • Feigenbaum function • Finitary boolean function • First class function • Fitness function • Foreign function interface • Function (computing) • Function approximation • Function block diagram • Function codomain • Function cost analysis • Function field • Function field (scheme theory) • Function field of an algebraic variety • Function hall • Function key • Function point • Function prologue • Function space • Function word • GOST (hash function) • Gain-of-function • Gaussian function • Generalised logistic function • Generic function • Geopotential function • Graph of a function • Gudermannian function • Hash function • Hazard function • Head-related transfer function • Heaviside step function • Higher-order function • Holomorphic function • Horn function • Household production function • Identity function • Incomplete beta function • Influence function • Injective function • Inline function • Inter-working Function • Inverse demand function • Inverse function theorem • Inverse hyperbolic function • J function • Joint probability density function • Key derivation function • Klein's modular function • Kroenecker Delta Function • L-function • Landau's function • Lateralization of brain function • Leontief production function • Linear function • Linearithmic function • Liouville function • List of Bach cantatas by liturgical function • Liver function tests • Local zeta-function • Locally constant function • Logistic function • Loss function • Loss-of-function • Luminosity function • Macdonald function • Majority function • McCarthy 91 function • Mediation function • Memory bound function • Meromorphic function • Mertens function • Mimic function • Monetary policy reaction function • Monotonic function • Moreau's necklace-counting function • Multivalued function • Non-analytic smooth function • Non-decreasing function • Non-terminal function • Normal function • Nowhere continuous function • Numeric function • One to one function • One-way function • Partial function • Partition function • Partition function (number theory) • Partition function (quantum field theory) • Pedotransfer function • Perfect hash function • Period of a function • Periodic function • Pi function • Piecewise linear function • Primitive recursive function • Probability mass function • Process function • Production function • Proper complexity function • Propositional function • Pseudo-random function • Pseudorandom function family • Psychometric function • Quality function deployment • Quintic function • Random function • Randomization function • Real function • Remote function call • Root of a function • Rvachev function • Scalar function • Score function • Sequential function chart • Sexual function • Sigma function • Sigmoid function • Singular function • Smooth function • Space of function • Spence's function • Spherical Bessel function of the first kind • Spherical Bessel function of the second kind • Spherical Bessel function of the third kind • Spherical Hankel function of the first kind • Spherical Hankel function of the second kind • Spherical function • Spherical modified Bessel function of the first kind • Strict function • String manipulation function • Successor function • Surjective function • Tak (function) • Terminal function • Thermodynamic function • Thyroid function test • Thyroid function tests • Totally multiplicative function • Transcendental function • Transport function • Trapdoor function • Triangular function • Unit function • Universal function • Vector function • Vibrational partition function • Virtual function • Walsh function • Weierstrass function • Wigner Function • Zeta function • Zeta function (disambiguation)

analogical dictionary


MESH root[Thème]

function [MeSH]



social event[Hyper.]

function (n.)

function (n.)




Function may refer to:

  See also



All translations of function

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