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Definition of "chlorine" []

  • 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "chlorine" in a sentence
  • "The testing kit: The darker the shade of pink, the more chlorine is present in the water."
  • "Before entering the hospital, patients stepped on two large pieces of foam soaked in chlorine and washed their hands from a bucket of water."
  • "The use of chlorine is also expensive but it is also dangerous, especially when not carefully applied."