isomerism

noun
isom·er·ism | \ī-ˈsä-mə-ˌri-zəm \

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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Dictionary Entries near isomerism

isomerase

isomere

isomeric

isomerism

isomerize

isomerous

isomery

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The first known use of isomerism was in 1838

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isomerism

noun
isom·er·ism | \ī-ˈsäm-ə-ˌriz-əm \

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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