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isomer

Syllabification: (i·so·mer)
Pronunciation: /ˈīsəmər/

Definition of isomer

noun

  • 1 Chemistry each of two or more compounds with the same formula but a different arrangement of atoms in the molecule and different properties.
  • 2 Physics each of two or more atomic nuclei that have the same atomic number and the same mass number but different energy states.

Derivatives

isomeric

Pronunciation: /ˌīsəˈmerik/

adjective

isomerism

Pronunciation: /īˈsäməˌrizəm/

noun

isomerize

Pronunciation: /īˈsäməˌrīz/

verb

Origin:

mid 19th century: from Greek isomerēs 'sharing equally', from isos 'equal' + meros 'a share'

isomer in other Oxford dictionaries

Definition of isomer in the British & World English dictionary

Nearby words

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