xenon

iodine 54 caesium or cesium

Pronunciation

• (UK) IPA ^(key): /ˈziːnɒn/
• (US) enPR: zē'nŏn, IPA ^(key): /ˈzinɑn/
• (US) enPR: zē'nən, IPA ^(key): /zinən/
• (AU) IPA ^(key): /zenɔn/ or /zɪinɔn/

• Audio (US)

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• Audio (US)

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• Hyphenation: xe‧non

Noun

Singular xenon

Plural none

Xenon in a tube

1. (uncountable) Xenon is an element with atomic number 54.

   Xenon is rare and expensive to extract from the Earth's atmosphere.