Artifact Highlights. 1  Harriet Tubman Hymn Book (1876) 2  Jim Crow Railroad car (1920) 3  Rosa Park's Dress (1955) 4  Chuck Berryâs Cadillac (1973) 5  Marian Anderson Ensembel (1939) 6  Tuskegee Airmen Trainer Plane, an open-cockpit PT-13 Stearman (1944)
Hypergamy (colloquially referred to as marrying up) is a term used in social science for the act or practice of a person marrying another of higher caste or social status than themselves. The antonym hypogamy refers to the inverse: marrying a person of lower social class or status.
monogamy. n. 1. (Sociology) the state or practice of having only one husband or wife over a period of time.Compare bigamy, polygamy 1, digamy. 2. (Zoology) zoology the practice of having only one mate.he practice or condition of being married to only one person at a time. b. The practice of marrying only once in a lifetime. 3. Zoology The condition of having only one mate during a breeding season or during the breeding life of a pair.