[ben-zil, -zeel]Chemistry
  1. the benzyl group.

Origin of benzyl

First recorded in 1865–70; benz- + -yl
Related formsben·zyl·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for benzyl

Contemporary Examples of benzyl

  • The active ingredient is Benzyl Nicotinate (niacinamide), part of the drug group of vasodilators that widen blood vessels.

    The Daily Beast logo
    My Great Fake Bake Experiment

    Daniel Nester

    January 6, 2009

Historical Examples of benzyl

  • Benzyl benzoate has been used recently to reduce the high blood pressure of hypertension.

    Arteriosclerosis and Hypertension:

    Louis Marshall Warfield

  • The first of these is benzyl chloride, the second benzal chloride, and the third benzotrichloride or phenyl chloroform.


    Raphael Meldola

  • Benzyl Acetate, the ester obtained from benzyl alcohol and acetic acid.

  • Lauryl benzyl phosphonic acid, dipotassium salt, in 20% solution.

  • It is then only necessary to brominate the benzyl cyanide by treating it with bromine vapor.

British Dictionary definitions for benzyl


  1. (modifier) of, consisting of, or containing the monovalent group C 6 H 5 CH 2benzyl alcohol Systematic name: phenylmethyl
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

benzyl in Medicine


[bĕnzĭl, -zēl′]
  1. The univalent radical C6H5CH2- derived from toluene.
Related formsben•zylic (-zĭlĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

benzyl in Science


  1. The radical C6H5CH2, derived from toluene.


  1. A colorless flammable liquid derived from petroleum. Benzene is used to make detergents, insecticides, motor fuels, and many other chemical products. Chemical formula: C6H6. See more at benzene ring.
Related formsbenzyl adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.