Noun Definition

ar

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

Related Noun(s):argon

Category: General

2.Definition: a state in south central United States; one of the Confederate states during the American Civil War

Related Noun(s):arkansas, land of opportunity, ark.

Category: Places

3.Definition: a unit of surface area equal to 100 square meters

Related Noun(s):are

Category: General