metabasis

noun
me·​tab·​a·​sis | \ mə-ˈtab-ə-səs How to pronounce metabasis (audio) \
plural metabases\ -​ə-​ˌsēz How to pronounce metabases (audio) \

Medical Definition of metabasis

: a medical change (as of disease, symptoms, or treatment)

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to speak slightingly about or to degrade

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