argon

chlorine$\longleftarrow$ 18 $\longrightarrow$potassium or kalium

Pronunciation

• (US) enPR: är'gŏn, IPA ^(key): /ˈɑːrɡɒn/

• Audio (US)

  (file)

• Hyphenation: ar‧gon

Noun

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

• gas