atomic number 16,
sulfur,
sulphur,
s an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
pyrites any of various metallic-looking sulfides (of which pyrite is the commonest)
hydrogen sulfide a sulfide having the unpleasant smell of rotten eggs
iron disulfide a compound containing two atoms of sulfur combined with iron
