What does AR mean in Unclassified?

This page is about the meanings of the acronym/abbreviation/shorthand AR in the Miscellaneous field in general and in the Unclassified terminology in particular.

Aromatic Ring

Miscellaneous » Unclassified


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What does AR mean?

argon, Ar, atomic number 18(noun)
a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

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"AR." Abbreviations.com. STANDS4 LLC, 2016. Web. 22 Oct. 2016. <http://www.abbreviations.com/term/156662>.