- Also called Riemann integral. the numerical measure of the area bounded above by the graph of a given function, below by the x-axis, and on the sides by ordinates drawn at the endpoints of a specified interval; the limit, as the norm of partitions of the given interval approaches zero, of the sum of the products of the function evaluated at a point in each subinterval times the length of the subinterval.
- a primitive.
- any of several analogous quantities.Compare improper integral, line integral, multiple integral, surface integral.
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Origin of integral
OTHER WORDS FROM integralin·te·gral·i·ty, nounin·te·gral·ly, adverbun·in·te·gral, adjectiveun·in·te·gral·ly, adverb
Example sentences from the Web for integral
Not alone is each one integral, but Lincoln is integrally in each.Abraham Lincoln's Cardinal Traits;|Clark S. Beardslee
What we were discussing was the idea of a world growing not integrally but piecemeal by the contributions of its several parts.Pragmatism|William James
I understand why Rome is the real school for learning, integrally, both ancient and modern history.Csar or Nothing|Po Baroja Baroja
For both, reality as well as truth are integrally given in eternity.Creative Evolution|Henri Bergson
Its leverage is felt within us as well as without, for expression and thought are integrally bound together.The Teacher|George Herbert Palmer
British Dictionary definitions for integral
adjective (ˈɪntɪɡrəl, ɪnˈtɛɡrəl)
- of or involving an integral
- involving or being an integer