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  • Number 18

Number 18

Clue: Number 18

We have 1 possible answer for the clue Number 18 which appears 1 time in our database.

Possible Answers:

  • ARGON

Last seen in:

  • New York Times - Jan 8 1999

Related Clues:

  • Gas, inert constituent of air
  • Gas used in electric lights
  • Noble gas used in light bulbs
  • Noble gas, Ar
  • Inert gas, Ar
  • .93% of the earth's atmosphere
  • Common inert gas
  • About 1 percent of the Earth's atmosphere
  • Common inert gas in the atmosphere
  • Funny groan is gas
  • In the past Newton stored right gas
  • Ewoks' home in 'Star Wars'
  • Inert element
  • It lights up when it's excited
  • Element into pornography, but not going down
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