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|part of speech:
||a chemical element of the halogen group that has seventeen protons in each nucleus, occurs naturally only in compounds such as sodium chloride and chloroform, and can be isolated in pure form as a toxic yellow-green gas. (symbol: Cl)
||a compound of chlorine, such as sodium hypochlorite, that releases small quantities of chlorine gas when dissolved, used as bleach, a water disinfectant, and the like.
||chlorinous (adj.), chlorinity (n.)