isomer
noun/ˈaɪsəmə(r)/
/ˈaɪsəmər/
- (chemistry) one of two or more compounds that have the same atoms, but in different arrangements
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- (physics) one of two or more nuclei that have the same atomic number, but different energy states
Word Originmid 19th cent.: from Greek isomerēs ‘sharing equally’, from isos ‘equal’ + meros ‘a share’.
Check pronunciation:
isomer