stereogenic

Adjective

 * 1)  describing a grouping of atoms in a molecule
 * 2) consisting of a central atom and four distinguishable ligands such that the interchange of any two leads to a stereoisomer
 * 3) consisting of four non-coplanar atoms such that rotation about the central bond leads to a stereoisomer
 * 4) consisting of a double bond with substituents which give rise to cis-trans isomerism
 * 1) consisting of a double bond with substituents which give rise to cis-trans isomerism