helium

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Pronunciation

• enPR: hē'lēəm, IPA: /ˈhiːli.əm/

Noun

helium

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

Synonyms

• E939 when used as a packaging gas

Related terms

• helio-
• Helios

Translations

• French: hélium
• German: Helium
• Italian: elio
• Portuguese: hélio
• Russian: ге́лий
• Spanish: helio

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