" function "

[Noun]  | "func*tion" | \ ˈfəŋ(k)-shən \

1: professional or official position : occupation

2: the action for which a person or thing is specially fitted or used or for which a thing exists : purpose

3: any of a group of related actions contributing to a larger action; especially : the specific contribution of a bodily part to the processes necessary for life in an organism

Origin: 1533 ;

 Latin function-, functio performance, from fungi to perform; probably akin to Sanskrit bhuṅkte he enjoys;

[Noun]  | "function key" 

1: any of a set of keys on a computer keyboard that have or can be programmed to have special functions

Origin: circa 1964 ;

[Noun]  | "function word" 

1: a word (such as a preposition, auxiliary verb, or conjunction) that expresses primarily a grammatical relationship

Origin: 1927 ;

[Noun]  | "Bes*sel function" | \ ˈbe-səl- \

1: one of a class of transcendental functions expressible as infinite series and occurring in the solution of the differential equation ...

Origin: 1862 ;

 Friedrich W. Bessel †1846 Prussian astronomer;

[Noun]  | "circular function" 

1: trigonometric function

Origin: 1884 ;

[Noun]  | "composite function" 

1: a function whose values are found from two given functions by applying one function to an independent variable and then applying the second function to the result and whose domain consists of those values of the independent variable for which the result yielded by the first function lies in the domain of the second

Origin: 1965 ;

[Noun]  | "cumulative distribution function" 

1: a function that gives the probability that a random variable is less than or equal to the independent variable of the function

Origin: 1950 ;

[Noun]  | "density function" 

1: probability density function

Origin: circa 1960 ;

[Noun]  | "discriminant function" 

1: a function of a set of variables that is evaluated for samples of events or objects and used as an aid in discriminating between or classifying them

Origin: circa 1936 ;

[Verb]  | "function" 

1: to have a function : serve

2: to carry on a function or be in action : operate

Origin: 1856 ;

 See: {function:1 };

[Noun]  | "function" 

[Noun]  | "composite" 

[Verb]  | "function"