prototropy
noun
pro·tot·ro·py
prō-ˈtä-trə-pē 
plural prototropies
: tautomerism involving the migration of a proton especially to a location three atoms distant in an organic molecule compare anionotropy, cationotropy
Cite this Entry
“Prototropy.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/prototropy. Accessed 31 Oct. 2025.
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