Definition, Meaning & Synonyms

argon

Noun

/ˈɑrɡən/

Definition

Argon is a chemical element with the symbol Ar and atomic number 18. It is a noble gas that is colorless, odorless, and inert under most conditions.

Examples

The balloons were filled with helium, but the lightbulbs contained argon gas.
Argon is often used in fluorescent and incandescent lighting to prevent the oxidation of the filament.
In laboratories, argon provides an inert atmosphere for reactions that require a non-reactive environment.

Meaning

Argon is a non-reactive gas found in the atmosphere, making up about 0.934% of the Earth’s air. It is commonly used in various industrial applications, including welding and lighting.