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

synonyms: argon, atomic number 18.

Dutch: argon
Polish: Ar, argon

A unit of surface area equal to 100 square meters.

synonym: are.

Dutch: is, zijn, are
Polish: ar

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

synonyms: Ark., Arkansas, Land of Opportunity.

Dutch: Arkansas