SULFONIUM
Meaning of SULFONIUM in English
/sul foh"nee euhm/ , n. Chem.
the positively charged group H 3 S + , its salts, or their substitute products.
[ 1890-95; SULF(UR) + (AMM)ONIUM ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012