|1.||the representation of a periodic function by means of the summation and integration of simple trigonometric functions|
|2.||the study of this means of representation|
|a fool or simpleton; ninny.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
The study of functions given by a Fourier series or analogous representations, such as periodic functions and functions on topological groups.