isomerism

noun
isom·​er·​ism | \ ī-ˈsä-mə-ˌri-zəm How to pronounce isomerism (audio) \

Definition of isomerism

1 : the relationship of two or more chemical species that are isomers
2 : the relation of two or more nuclides with the same mass numbers and atomic numbers but different energy states and rates of radioactive decay

First Known Use of isomerism

1838, in the meaning defined at sense 1

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The first known use of isomerism was in 1838

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Cite this Entry

“Isomerism.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/isomerism. Accessed 23 January 2020.

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More Definitions for isomerism

isomerism

noun
isom·​er·​ism | \ ī-ˈsäm-ə-ˌriz-əm How to pronounce isomerism (audio) \

Medical Definition of isomerism

1 : the relation of two or more chemical species that are isomers
2 : the relation of two or more nuclides with the same mass numbers and atomic numbers but different energy states and rates of radioactive decay

More from Merriam-Webster on isomerism

Britannica.com: Encyclopedia article about isomerism

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