Commerce. against all risks.
average annual rainfall.
Also, AAR.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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American Heritage
Abbreviations & Acronyms
  1. against all risks

  2. Alliance for Aging Research

  3. at any rate

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences for aar
Approximately nine tenths of the city is south of the aar, and one tenth is to the north.
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