Isomer
WordNet
noun
(1) A compound that exists in forms having different arrangements of atoms but the same molecular weight
WiktionaryText
Etymology
From + .
Noun
- Any of two or more compounds with the same molecular formula but with different structure.
- Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties.
Related terms
- isomerism
- structural isomer
- positional isomer
- geometric isomer
- nuclear isomer
- optical isomer
- stereoisomer