/ ˈɪntɪgrəl; NAmE ; ɪnˈteɡ-/ adjective
integral (to sth) being an essential part of sth :
Music is an integral part of the school's curriculum.
Practical experience is integral to the course.
[ usually before noun ] included as part of sth, rather than supplied separately :
All models have an integral CD player.
[ usually before noun ] having all the parts that are necessary for sth to be complete :
an integral system
► in·te·gral·ly / ˈɪntɪgrəli; NAmE ; ɪnˈteɡ-/ adverb
mid 16th cent.: from late Latin integralis , from integer whole, from in- (expressing negation) + the root of tangere to touch. Compare with integrate and integrity .