## Definition of *integral*

(Entry 1 of 2)

1a

**:**essential to completeness**:**constituent an integral part of the curriculumb(1)

**:**being, containing, or relating to one or more mathematical integers(2)

**:**relating to or concerned with mathematical integration or the results of mathematical integrationc

**:**formed as a unit with another part a seat with integral headrest2

**:**composed of constituent parts3

**:**lacking nothing essential**:**entireintegral

nounDefinition of *integral* (Entry 2 of 2)

**:**the result of a mathematical integration — compare definite integral, indefinite integral

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integralTime Traveler for

integral## The first known use of

integralwas in 1551See more words from the same year