integral

adjective1 of 2

part of something

• “You have to learn integrals before you learn multiple integrals.”Tatoeba
• “Clinical laboratory diagnostics is a most important and integral part of medicine.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

noun2 of 2

A number, the limit of the sums computed in a process in which the domain of a function is divided into small subsets and a possibly nominal value of the function on each subset is multiplied by the measure of that subset, all these.