methionic acid

meth·​ion·​ic acid | \¦methī¦änik-\

Definition of methionic acid 

: a deliquescent crystalline acid CH2(SO3H)2 formed from acetylene or acetamide by the action of fuming sulfuric acid; methane-disulfonic acid

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History and Etymology for methionic acid

methionic from meth- + thionic

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