Definition of nuclear family noun from the Oxford Advanced Learner's Dictionary

 

nuclear family

 noun
noun
BrE
 
; NAmE
 
(specialist) Raising children, Family background
 
jump to other results
a family that consists of father, mother and children, when it is thought of as a unit in society Not everybody nowadays lives in the conventional nuclear family. compare extended family See related entries: Raising children, Family background
See the Oxford Advanced American Dictionary entry: nuclear family