Selenonium definitions

Selenonium

• (n.) A hypothetical radical of selenium, analogous to sulphonium.
Found on http://thinkexist.com/dictionary/meaning/selenonium/

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Selenonium

Sel`e·no'ni·um noun [ Selen ium + sulph onium .] (Chemistry) A hypothetical radical of selenium, analogous to sulphonium. [ R.]
Found on http://www.encyclo.co.uk/webster/S/57

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