Incretin (417524005) Definition insulinotropic peptides released by the gastrointestinal tract in response to food; stimulates insulin secretion and inhibits glucagon secretion. [from CRISP]
In simple terms, racism is the belief that distinct human races exist and that one race is superior to another. This definition is generally agreed by the Oxford English Dictionary, Merriam-Webster Dictionary (USA) and the Macquarie Dictionary (Australia).
Racial Separatism. Racism has existed throughout human history. It may be defined as the hatred of one person by another -- or the belief that another person is less than human -- because of skin color, language, customs, place of birth or any factor that supposedly reveals the basic nature of that person.