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thiuronium

noun
thi·u·ro·ni·um | \ ˌthīyəˈrōnēəm \
variants: or less commonly thiouronium \ˌthīōyəˈr- \
plural -s

Definition of thiuronium 

: the cation [HSC(NH2)2]+ resulting from addition of a proton to thiourea especially : any of its derivatives formed by adding organic halides to thiourea

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History and Etymology for thiuronium

thiur- (as in thiuram) or thiour- (as in thiourea) + -onium

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