Ar.
Post a question - any question - to the WikiAnswers community:
Copyrights:
American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.
Read more
Mentioned in
geometric progression
(mathematics)
geometric series
(mathematics)
Ar
(chemical symbol)
needle-case
(in archaeology)
» More