A colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere.

synoniemen: argon, atomic number 18.

Nederlands: argon
Pools: Ar, argon

A unit of surface area equal to 100 square meters.

synoniem: are.

Nederlands: is, zijn, are
Pools: ar

A state in south central United States; one of the Confederate states during the American Civil War.

synoniemen: Ark., Arkansas, Land of Opportunity.

Nederlands: Arkansas