亜硫酸[aryuusan] sulfurous acid
亜硫酸塩[aryuusanen] sulfite
加硫[karyuu] vulcanizing (rubber)
加硫法[karyuuhou] vulcanization
稀硫酸[kiryuusan] dilute sulfuric acid

二酸化硫黄[nisankaiou] sulfur dioxide
硫黄[iou] sulfur (S)
硫黄酸化物[iousankabutsu] sulphur oxide
硫化処理ゴム[ryuukashorigomu] vulcanized rubber
硫化水素[ryuukasuiso] hydrogen sulphide