noun

helium

helium

Balloons are often filled with helium.

Balloons are often filled with helium.

Helium is lighter than air.

Helium is lighter than air.

((uncountable)) helium the chemical element helium Helium is a very light gas.

Synonyms: (other noble gases) argon, neon

From Greek 'hēlios' meaning 'sun', because it was first detected in the sun's spectrum.

Think of the high-pitched voice you get after inhaling from a helium balloon.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.