Definitions

1. noun

A compound that differs from another compound only in the spatial arrangement of its atoms, particularly isomers of organic compounds that differ in configuration.

“The chemist was studying the different isomeres of the organic compound to understand their properties.”

2. noun

A compound that differs from another compound only in the spatial arrangement of its atoms, particularly in chemistry.

“The researcher was comparing the properties of the isomere with that of its non-isomeric counterpart.”