1. chlorine

noun. ['ˈklɔriːn'] 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).


  • halogen
  • sodium chloride
  • element
  • chemical element
  • Cl
  • atomic number 17
  • common salt
  • radiochlorine


  • leaded gasoline
  • unleaded gasoline
  • defend
  • fresh water


  • χλωρός (Ancient Greek (to 1453))

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Rhymes with Chlorine

  • horine
  • dorene
  • correne

How do you pronounce chlorine?

Pronounce chlorine as ˈklɔrin.

US - How to pronounce chlorine in American English

UK - How to pronounce chlorine in British English

Sentences with chlorine

1. Noun, singular or mass
Don't give your moss tap or hose water, which may be too high in calcium or chlorine.

2. Verb, base form
Oxygen bleach is the safer alternative to chlorine.

3. Adjective
Adding cyanuric acid to the pool stabilizes the water and helps to maintain a more even chlorine level.