nuclear family


noun

a social unit composed of two parents and one or more children.

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Compare extended family.

Origin of nuclear family

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for nuclear family

nuclear family

noun

sociol anthropol a primary social unit consisting of parents and their offspringCompare extended family
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nuclear family

nuclear family

n.

A family unit consisting of a mother and father and their progeny.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Cultural definitions for nuclear family

nuclear family

A type of family made up only of parents and their children. (Compare extended family.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.