nuclear family
US /ˌnuː.kli.ər ˈfæm.əl.i/
UK /ˌnuː.kli.ər ˈfæm.əl.i/

1.
família nuclear
a couple and their dependent children, regarded as a basic social unit.
:
•
The nuclear family is often seen as the traditional family structure.
A família nuclear é frequentemente vista como a estrutura familiar tradicional.
•
In many Western societies, the nuclear family is the most common household arrangement.
Em muitas sociedades ocidentais, a família nuclear é o arranjo doméstico mais comum.