(chemistry) chemical element

one thing

sulfur (element)

(rare, possibly archaic) sulfur (element)

(sexuality, euphemistic) sadism, sadist / (colloquial) dominant personality

(education) highest academic grading in the S-A-B-C-F scale / (chiefly video games) S, the highest rank or grade (above A) commonly used in ranking systems in video games

small size

(Internet slang) Alternative spelling of さん (san)

(chemistry) element, chemical element

chemistry (branch of natural science)