Synonyms of chlorine

Noun

1. chlorine, Cl, atomic number 17, chemical element, element, gas, halogen

usage: a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)

Definition and meaning of chlorine (Dictionary)