integral

What it means

1. Constituting a whole together with other parts or factors; not omittable or removable.

   Ceasing to do evil, and doing good, are the two great integral parts that complete this duty.

   1692–1717, Robert South, Twelve Sermons Preached upon Several Occasions, volume (please specify |volume=I to VI), London

   1 more example

   When the verdict comes down, the transformation of the wunderkind founder of Theranos from black-clad genius to besuited milquetoast will be an integral part of the story.

   2021 December 17, Vanessa Friedman, “The Verdict on the Elizabeth Holmes Trial Makeover”, in The New York Times, →ISSN, archived from the original on 12 Apr 2022

   Synonyms: immanent, inherent, necessary, built-in, essential, immanent, inborn, resident

2. mathematicsOf, pertaining to, or being an integer.
3. mathematicsRelating to integration (“the process of finding the integral [noun] of a function”).

In a sentence

Ceasing to do evil, and doing good, are the two great integral parts that complete this duty.

1692–1717, Robert South, Twelve Sermons Preached upon Several Occasions, volume (please specify |volume=I to VI), London

Where it comes from

1. Latininteger“entire”
2. Medieval Latinintegrālis
3. Middle Frenchintegral
4. Englishintegral

Borrowed from Middle French integral, from Medieval Latin integrālis, from Latin integer (“entire”); see integer.