Single Biggest Cancer Dictionary in the World

What is first-degree relative?

Pronunciation: /fərst dɪˈgri ˈrɛlətɪv/

first-degree relative

Definition

A way of describing how family members are related to each other when there are no other family members in the blood line between them. Examples of a first-degree relative are a parent, sibling, or child. Also called FDR.