Dictionary

ethionine

noun ethi·o·nine \e-ˈthī-ə-ˌnēn\

Definition of ETHIONINE

:  an amino acid C6H13NO2S that is the ethyl homologue of methionine and is biologically antagonistic to methionine
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First Known Use of ETHIONINE

1938
Medical Dictionary

ethionine

noun ethi·o·nine \e-ˈthī-ə-ˌnēn\

Medical Definition of ETHIONINE

:  an amino acid C6H13NO2S that is the ethyl homologue of methionine and is biologically antagonistic to methionine

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