chlorine | (n) 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), Syn. Cl, atomic number 17 |
氯 | [氯] chlorine Cl, halogen with atomic number 17 #8,221 [Add to Longdo] |