Definition

A light, colorless gas that is used in balloons and for cooling. It is the second element on the periodic table and is found in natural gas and some radioactive materials.

Example

The party was fun, especially with the helium balloons floating around.

Conversation

Have you ever wondered why balloons float in the air?

I think it’s because they’re filled with helium.

Yeah, helium is lighter than air, right?

Exactly! That's why it's the go-to gas for party balloons.

Synonyms & Antonyms

Root Explanation

Helium is derived from the Greek word "helios" (meaning sun). It was first discovered in the solar spectrum during a solar eclipse, hence its name, which reflects its connection to the sun.

Memory Tip

Think of the Greek word for sun, 'helios', to remember that helium is named after the sun, as it was first identified in sunlight.

Visually Confused Words