Definitions for nuclear family

This page provides all possible meanings and translations of the word nuclear family

Princeton's WordNet

  1. nuclear family, conjugal family(noun)

    a family consisting of parents and their children and grandparents of a marital partner


  1. nuclear family(Noun)

    a family unit consisting of at most a father, mother and dependent children


  1. Nuclear family

    The nuclear family or elementary family is a term used to define a family group consisting of a pair of adults and their children. This is in contrast to a single-parent family, to the larger extended family, and to a family with more than two parents. Nuclear families typically center on a married couple; the nuclear family may have any number of children. There are differences in definition among observers; some definitions allow only biological children that are full-blood siblings, while others allow for a stepparent and any mix of dependent children including stepchildren and adopted children. Family structures of one married couple and their children were present in Western Europe and New England in the 17th century, influenced by church and theocratic governments. With the emergence of proto-industrialization and early capitalism, the nuclear family became a financially viable social unit. The term nuclear family first appeared in the early twentieth century. Alternative definitions have evolved to include family units headed by same-sex parents, and perhaps additional adult relatives who take on a cohabiting parental role; in this latter case it also receives the name of conjugal family.

U.S. National Library of Medicine

  1. Nuclear Family

    A family composed of spouses and their children.

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