adjective Chemistry.
containing an aryl group.

1905–10; ar(omatic) + -yl Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aryl (ˈærɪl)
1.  (modifier) chem of, consisting of, or containing an aromatic group: aryl group or radical
2.  an organometallic compound in which a metal atom is bound to an aryl group
[C20: from ar(omatic) + -yl]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

aryl ar·yl (ār'əl)
An organic radical derived from an aromatic compound by the removal of one hydrogen atom.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
In addition, tri-aryl phosphates are suspected neurotoxins.
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