isomerism
noun
isom·er·ism
ī-ˈsä-mə-ˌri-zəm 
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
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“Isomerism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isomerism. Accessed 18 Jul. 2025.
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isomerism
noun
isom·er·ism
ī-ˈsäm-ə-ˌriz-əm
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
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