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.
Learner's definition of FAMILY. 1. a : a group of people who are related to each other. â This sense of family can refer to a group that consists of parents and their children or it can refer to a bigger group of related people including grandparents, aunts, uncles, cousins, etc. It is often used specifically of a group of related people who live together in one house. [count]