Definition, Meaning & Synonyms

cis

adjective

/sɪs/

Definition

A prefix meaning ‘on the same side’ or ‘this side of’ in chemistry and other sciences.

Examples

The compound has a cis configuration, resulting in different physical properties.
In geometry, a cis isomer can exhibit distinct behaviors when compared to its trans counterpart.

Meaning

In the context of chemistry, ‘cis’ describes the arrangement of two substituents located on the same side of a double bond or a cyclic structure. It indicates a specific geometric configuration of molecules.