Skip to Content


Pronunciation: fam'i-le


  1. A group of two or more people united by blood, adoptive, or marital ties, or the common law equivalent.
  2. In biologic classification, a taxonomic grouping at the level intermediate between the order and the tribe or genus.
  3. A group of substances closely related structurally.
  4. A group of proteins with characteristic sequence, pharmacologic, and/or signaling profiles.

[L. familia]

Disclaimer: This site is designed to offer information for general educational purposes only. The health information furnished on this site and the interactive responses are not intended to be professional advice and are not intended to replace personal consultation with a qualified physician, pharmacist, or other healthcare professional. You must always seek the advice of a professional for questions related to a disease, disease symptoms, and appropriate therapeutic treatments.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.