methionic
Meth`i*on"ic, a. Etym: [Methyl + thionic.] (Chem.) Defn: Of, pertaining to, or designating, a sulphonic (thionic) acid derivative of methane, obtained as a stable white crystalline substance, CH2.(SO3H)2, which forms well defined salts.
Meth`i*on"ic, a. Etym: [Methyl + thionic.] (Chem.) Defn: Of, pertaining to, or designating, a sulphonic (thionic) acid derivative of methane, obtained as a stable white crystalline substance, CH2.(SO3H)2, which forms well defined salts.