Skip to Content


Pronunciation: ent'ge-gen

Definition: State in which the two higher-ranking groups attached to the different atoms in a double bond, usually a carbon-carbon double bond, are on opposite sides of the double bond (hence, analogous to trans-). Also occurs when those groups are on opposite sides of a ring structure.

[Ger. opposite]

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.