■ noun Mathematics an infinite series of trigonometric functions used to represent a given periodic function.
Origin
named after the 19th-cent. French mathematician Jean B. J. Fourier .
■ noun Mathematics an infinite series of trigonometric functions used to represent a given periodic function.
Origin
named after the 19th-cent. French mathematician Jean B. J. Fourier .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004