Ĭn’te-grā’tĭon, n.

n. [Lat. integratio, Fr. intégration, Sp. integración, It. integrazione.]

1. The act of making entire.
2. (Math.) The operation of finding the primitive function which has a given function for its differential co-efficient. Its symbol is ∫, which stands for s, stemma, or sum, as the integral is the sum of the differentials, these being infinitely small.