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.
Princeton's WordNet(1.00 / 1 vote)Rate this definition: Wiktionary(3.33 / 3 votes)Rate this definition: A father, mother and their sons and daughters; also called nuclear family. Our family lives in town. A group of people related by blood, marriage, law, or custom. A kin, tribe; also called extended family.