Definitions for



Overview of noun ar

The noun ar has 3 senses? (no senses from tagged texts)
1. argon, Ar, atomic number 18

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

2. are, ar

(a unit of surface area equal to 100 square meters)

3. Arkansas, Land of Opportunity, AR

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

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