Vocabulary Entry

helium

|noun

noun

A light, colorless, inert gas that is the second most abundant element in the universe, often used in balloons and as a cooling agent.

Example Sentences

"The party was filled with helium balloons that floated gracefully in the air."

"Scientists use helium for cooling superconducting magnets in various applications."

"Helium is non-toxic and is preferred over hydrogen for inflating balloons."