integral
Constituting a whole together with other parts or factors; not omittable or removable.
Other meanings
Of, pertaining to, or being an integer.
Being the root of some monic polynomial in A.
Word history
From Latin "integer" (entire).
Where this comes from
This definition is adapted from “integral” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.