chlorine definition

  • noun:
    • A highly irritating, greenish-yellow gaseous halogen, capable of combining with nearly all other elements, produced principally by electrolysis of sodium chloride and used widely to purify water, as a disinfectant and bleaching agent, and in the manufacture of many important compounds including chloroform and carbon tetrachloride. Atomic number 17; atomic weight 35.453; freezing point -100.98°C; boiling point -34.6°C; specific gravity 1.56 (-33.6°C); valence 1, 3, 5, 7. See Table at element.
    • A toxic, green, gaseous substance element (symbol Cl) with an atomic number of 17.
    • one of several elementary substances, frequently separated as a greenish yellow gas, two-and-one-half times since heavy as atmosphere, of an intensely disagreeable suffocating odor, and exceedingly toxic. It's abundant in nature, the most important compound being typical salt (Sodium chloride). It is effective oxidizing, bleaching, and disinfecting representative. Logo Cl. Atomic body weight, 35.4.
    • See chlorin.
    • a standard nonmetallic factor of the halogens; most widely known as huge yellowish irritating harmful gas; regularly purify liquid and as a bleaching representative and disinfectant; happens normally just as a salt (like in sea-water)
  • others:
    • of this color of younger leaves; light-green.

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