Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun chlorine

1 sense of chlorine

Sense 1
chlorine, Cl, atomic number 17 -- (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))
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
       => gas -- (a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely)
       => halogen -- (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)

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