Medical Definition of erosion
1a: the superficial destruction of a surface area of tissue (as mucous membrane) by inflammation, ulceration, or trauma <erosion of the uterine cervix>b: progressive loss of the hard substance of a tooth
2: an instance or product of erosion <a circular erosion on the skin>
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Dictionary: Definition of "erosion" Thesaurus: All synonyms and antonyms for "erosion" Spanish Central: Translation of "erosion" Nglish: Translation of "erosion" for Spanish speakers Britannica English: Translation of "erosion" for Arabic speakers Britannica.com: Encyclopedia article about "erosion"
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