Definition, Meaning & Synonyms

helium

Noun
/ˈhiː.li.əm/
Definition
Helium is a colorless, odorless, and inert gas that is lighter than air and occurs naturally in the universe.
Examples
  • Helium is often used to fill balloons because it is lighter than air.
  • Scientists use helium in cryogenics to cool superconducting magnets.
  • The voice of a person can sound funny after inhaling helium from a balloon.
Meaning
Helium is a chemical element with the symbol He and atomic number 2. It is the second lightest element and is most commonly found in stars, where it is produced through nuclear fusion of hydrogen.
Synonyms
  • N/A