Dictionary

nuclear family

noun

: the part of a family that includes only the father, mother, and children

Full Definition of NUCLEAR FAMILY

:  a family group that consists only of father, mother, and children

First Known Use of NUCLEAR FAMILY

1947

nuclear family

noun    (Medical Dictionary)

Medical Definition of NUCLEAR FAMILY

:  a family group that consists only of father, mother, and children—see extended family

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May 30, 2015
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