Definitions for function
ˈfʌŋk ʃənfunc·tion

Princeton's WordNet(3.50 / 8 votes)Rate this definition:

1. function, mathematical function, single-valued function, map, mapping(noun)

   (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)

2. function, purpose, role, use(noun)

   what something is used for

   "the function of an auger is to bore holes"; "ballet is beautiful but what use is it?"

3. function, office, part, role(noun)

   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"

4. function(noun)

   a relation such that one thing is dependent on another

   "height is a function of age"; "price is a function of supply and demand"

5. function(noun)

   a formal or official social gathering or ceremony

   "it was a black-tie function"

6. affair, occasion, social occasion, function, social function(noun)

   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"

7. routine, subroutine, subprogram, procedure, function(verb)

   a set sequence of steps, part of larger computer program

8. function, work, operate, go, run(verb)

   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"

9. serve, function(verb)

   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"

10. officiate, function(verb)

    perform duties attached to a particular office or place or function

    "His wife officiated as his private secretary"

Wiktionary(5.00 / 1 vote)Rate this definition:

1. function(Noun)

   What something does or is used for.

2. function(Noun)

   A professional or official position.

3. function(Noun)

   An official or social occasion.

4. function(Noun)

   A relation where one thing is dependent on another for its existence, value, or significance.

5. function(Noun)

   A relation in which each element of the domain is associated with exactly one element of the codomain.

6. function(Noun)

   A routine that receives zero or more arguments and may return a result.

7. function(Noun)

   The physiological activity of an organ or body part.

8. function(Noun)

   The characteristic behavior of a chemical compound.

9. function(Noun)

   The role of a social practice in the continued existence of the group.

10. function(Verb)

    to have a function

11. function(Verb)

    to carry on a function; to be in action

Origin: From function, from fonction, from functionem, accusative of function, from functus perfect participle of fungor.

Webster Dictionary(2.00 / 3 votes)Rate this definition:

1. Function(noun)

   the act of executing or performing any duty, office, or calling; per formance

2. Function(noun)

   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. Function(noun)

   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

4. Function(noun)

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

5. Function(noun)

   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. Function(verb)

   alt. of Functionate

Origin: [L. functio, fr. fungi to perform, execute, akin to Skr. bhuj to enjoy, have the use of: cf. F. fonction. Cf. Defunct.]

Chambers 20th Century Dictionary(4.00 / 2 votes)Rate this definition:

1. Function

   fungk′shun, n. the doing of a thing: duty peculiar to any office: faculty, exercise of faculty: the peculiar office of any part of the body or mind: power: a solemn service: (math.) a quantity so connected with another that any change in the one produces a corresponding change in the other: the technical term in physiology for the vital activity of organ, tissue, or cell.—adj. Func′tional, pertaining to or performed by functions—opp. to Organic or Structural.—vs.t. Func′tionalise, Func′tionate.—adv. Func′tionally.—n. Func′tionary, one who discharges any duty: one who holds an office.—adj. Func′tionless, having no function. [O. Fr.,—L. function-em—fungi, functus, to perform.]

British National Corpus

1. Spoken Corpus Frequency

   Rank popularity for the word 'function' in Spoken Corpus Frequency: #1358

2. Written Corpus Frequency

   Rank popularity for the word 'function' in Written Corpus Frequency: #1365

3. Nouns Frequency

   Rank popularity for the word 'function' in Nouns Frequency: #334

4. Verbs Frequency

   Rank popularity for the word 'function' in Verbs Frequency: #814

How to say function in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of function in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of function in Pythagorean Numerology is: 3

Examples of function in a Sentence

1. Louis Henri Sullivan:

   Form follows function.

2. First Deputy Commissioner Benjamin Tucker:

   They perform a crowd control function in chaos.

3. Jessie Holeva:

   This watch is function as much as it is fashion.

4. Jack London:

   The proper function of man is to live - not to exist.

5. James Shields:

   Protesters are seen to be performing a civic function.

Images & Illustrations of function

Popularity rank by frequency of use