argon

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chlorine 18 potassium another form kalium

Pronunciation[change]

  • Hyphenation: ar‧gon
  • (file)

Noun[change]

Singular
argon

Plural
none

  1. (uncountable) A chemical element (symbol Ar) with an atomic number of 18.
  2. Argon is a gas, often used in light bulbs to change the colour of the light.

Related words[change]