chlorine

Noun
  1. 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) (synset 114658769)
    is a type of:
    • 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
    subtypes: radiochlorine - a radioactive isotope of chlorine
    substance meronym: common salt, sodium chloride - a white crystalline solid consisting mainly of sodium chloride (NaCl)
    same as: atomic number 17, cl

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