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Definition of Chlorine
1. Noun. 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).
Generic synonyms: Chemical Element, Element, Gas, Halogen
Specialized synonyms: Radiochlorine
Substance meronyms: Common Salt, Sodium Chloride
Derivative terms: Chlorinate, Chlorinate
Definition of Chlorine
1. n. One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting agent. Symbol Cl. Atomic weight, 35.4.
Definition of Chlorine
1. a gaseous element [n -S]
Medical Definition of Chlorine
1.