[ben-zoh-il] Chemistry.
containing the benzoyl group.

1850–55; benzo- + -yl Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
benzoyl (ˈbɛnzəʊɪl)
(modifier) Systematic name: benzenecarbonyl of, consisting of, or containing the monovalent group C6H5CO-: benzoyl group or radical

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

benzoyl ben·zo·yl (běn'zō-ĭl')
The univalent radical C6H5ICO- derived from benzoic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
benzoyl   (běn'zō-ĭl', -zoil')  Pronunciation Key 
The radical C6H5CO, derived from benzoic acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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