Definition of: integration

(in′tə·grā′shən) noun
1. The act or operation of integrating; the bringing together of parts into a whole.
2. Math. The process of determining a function from its derivative; the inverse of differentiation.
3. Physiol. The combination of different nervous processes or reflexes so that they cooperate in a larger activity and thus unify the bodily functions.
4. Psychol. The orderly arrangement of the physical, emotional, and mental components of the personality into a more or less stable and harmonious pattern of behavior.
5. U.S. The act or process of integrating, especially racially, an institution, place, or group.
—in′·te·gra′tion·ist (especially for def. 5) noun [<L integratio, -onis]