noun lan·thi·o·nine \lanˈthīəˌnēn, -nə̇n\

Definition of lanthionine



  1. :  an amino acid S[CH2CH(NH2)COOH]2 obtained especially by the action of alkali on wool, hair, or cystine

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Origin and Etymology of lanthionine

lan- + thion- + -ine

Seen and Heard

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a trip made at another's expense

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