Helium

English

Chemical element
He	Previous: hydrogen (H)
	Next: lithium (Li)

Pronunciation

• enPR: hē'lēəm, IPA: /ˈhiːlɪəm/, SAMPA: /"hi:li@m/

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• Hyphenation: he‧li‧um

Noun

Helium (countable and uncountable; plural Heliums)

1. (uncountable) A colorless and inert gas, and the second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602.
2. (countable) A form or sample of the element.

Related terms

• helio-
• Helios