Integral

[in-ti-gruh l, in-teg-ruh l] /ˈɪn tɪ grəl, ɪnˈtɛg rəl/

adjective
1.
of, relating to, or belonging as a part of the whole; constituent or component:
integral parts.
2.
necessary to the completeness of the whole:
This point is integral to his plan.
3.
consisting or composed of parts that together constitute a whole.
4.
entire; complete; whole:
the integral works of a writer.
5.
Arithmetic. pertaining to or being an integer; not fractional.
6.
Mathematics. pertaining to or involving integrals.
noun
7.
an integral whole.
8.
Mathematics.

adjective (ˈɪntɪɡrəl; ɪnˈtɛɡrəl)
1.
(often foll by to) being an essential part (of); intrinsic (to)
2.
intact; entire
3.
formed of constituent parts; united
4.
(maths)

noun (ˈɪntɪɡrəl)
5.
(maths) the limit of an increasingly large number of increasingly smaller quantities, related to the function that is being integrated (the integrand). The independent variables may be confined within certain limits (definite integral) or in the absence of limits (indefinite integral) ʃ
6.
a complete thing; whole
adj.

late 15c., “of or pertaining to a whole,” from Middle French intégral (14c.), from Medieval Latin integralis “forming a whole,” from Latin integer “whole” (see integer). Related: Integrally. As a noun, 1610s, from the adjective.
integral
(ĭn’tĭ-grəl)
Adjective Involving or expressed as an integer or integers.

Noun See definite integral, indefinite integral.