thi‧am‧in , 
thi‧a‧mine /ˈθaɪəmiːn, -mɪn/
 noun [uncountable][
Date: 1900-2000; 
Language: Greek; 
Origin: theion 'sulfur' + English -amin (as in vitamin)]
 a natural chemical in some foods, that you need in order to prevent particular illnesses 
 [TahlilGaran] Dictionary of Contemporary English ▲