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Endogamy
Marriage to someone within one’s social group.
Exogamy
Marriage to someone outside one’s social group.
Monogamy
The practice of having only one sexual partner or spouse at a time.
Polygamy
The practice of having more than one sexual partner or spouse at a time.
Polyandry
The practice of having multiple husbands simultaneously.
Polygyny
The practice of having multiple wives simultaneously.
Nuclear Family
Familial form consisting of a father, a mother, and their children.
Extended Family
Kin networks that extend outside or beyond the nuclear family.
Cohabitation
Living together in an intimate relationship without formal legal or religious sanctioning.
Kinship Networks
String of relationships between people related by blood and co-residence (i.e., marriage).
Cult of Domesticity
The notion that true womanhood centers on domestic responsibility and child rearing.
Second Shift
Women’s responsibility for housework and child care - everything from cooking dinner to doing laundry, bathing children, reading bedtime stories, and sewing Halloween costumes.
Miscegenation
The technical term for interracial marriage, literally meaning “a mixing of kinds“; it is politically and historically charged, and sociologists generally prefer the term exogamy or outmarriage.