Definition, Meaning & Synonyms
ar
noun
/ˈärɡən/
Definition
Ar is the chemical symbol for argon, a noble gas that is colorless, odorless, and inert under most conditions.
Examples
- Argon is often used in the production of incandescent and fluorescent lighting.
- Welders often use argon gas to protect their work from oxidation.
Meaning
Argon is primarily used in lighting and as an inert gas shield for arc welding and cutting. It is found in the Earth’s atmosphere in small amounts.
Synonyms
- Inert gas
- Rare gas
