Meaning of INTEGRAL in English
■ adjective 'ɪntɪgr(ə)l , ɪn'tɛgr(ə)l
1》 necessary to make a whole complete; fundamental.
↘included as part of a whole.
↘having all the parts necessary to be complete.
2》 Mathematics of or denoted by an integer or integers.
■ noun 'ɪntɪgr(ə)l Mathematics a function of which a given function is the derivative, and which may express the area under the curve of a graph of the function.
C16: from late L. ~is , from integer (see integer ).
There are two possible pronunciations for ~ as an adjective : one with the stress on the in- and the other with the stress on the -teg- . In British English, the second pronunciation is sometimes frowned on, but both are broadly accepted as standard.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004