Causes of Perihilar or diffuse infiltrates: The following medical conditions are some of the possible causes of Perihilar or diffuse infiltrates. There are likely to be other possible causes, so ask your doctor about your symptoms.
â¢ NUCLEAR FAMILY (noun). The noun NUCLEAR FAMILY has 1 sense: 1. a family consisting of parents and their children and grandparents of a marital partner. Familiarity information: NUCLEAR FAMILY used as a noun is very rare.
The nuclear family is a relatively recent phenomenon, becoming common only within the last century. Before then, the traditional family was multigenerational, with grandparents often living with their children on farms as well as in urban environments, typically with other relatives living nearby.