ar

Noun

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

• a unit of surface area equal to 100 square meters

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

Related words

• Synonyms: 
  Arkansas , Land of Opportunity , AR , are , argon , Ar , atomic number 18