Sulphonium definitions

Sulphonium

• (n.) A hypothetical radical, SH3, regarded as the type and nucleus of the sulphines.
Found on http://thinkexist.com/dictionary/meaning/sulphonium/

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Sulphonium

Sul·pho'ni·um noun [ Sulph ur + amm onium .] (Chemistry) A hypothetical radical, SH ₃ , regarded as the type and nucleus of the sulphines.
Found on http://www.encyclo.co.uk/webster/S/236

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