Meaning of INTEGRAL in English

in ‧ te ‧ gral AC /ˈɪntəɡrəl, ˈɪntɪɡrəl/ BrE AmE adjective

[ Word Family: adverb : ↑ integrally ; adjective : ↑ integral ]

1 . forming a necessary part of something:

Vegetables are an integral part of our diet.

integral to

Statistics are integral to medical research.

2 . [usually before noun] provided as part of something, rather than being separate:

a TV and integral video recorder

—integrally adverb

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.