adj

integral

IHN-tihgrl

adj

Essential to completeness; a necessary part of a whole.

"Trust is integral to any good working relationship."

"The engine is an integral part of the car, not an add-on."

noun

In mathematics, the result of the calculus operation that finds the area under a curve or a function's total accumulated value.

"She calculated the integral of the function to find the area under the curve."

How to Use Integral

Learner’s notes

In plain EnglishEither "necessary/built-in" (everyday sense) or a calculus term for the area/total under a curve (maths sense).

Common pairings

integral part integral to calculate the integral

more integral comparative, integrals plural, most integral superlative

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Can you complete this real example?

Trust is _____ to any good working relationship.

From Latin integer, "whole, untouched" — the same root as the number word "integer."