integral

Universal Words adjective 1 ~ (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. 2 [usuallybeforenoun] included as part of sth, rather than supplied separately: All models have an integral CD player. 3 [usuallybeforenoun] having all the parts that are necessary for sth to be complete: an integral system integrally adverb