deet

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deet

or DEET  (dēt)
n.
A colorless, oily liquid, C12H17NO, that is used as an insect repellent.

[From d.t., abbr. of diethyl toluamide.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

DEET

(diːt)
n acronym for
(Chemistry) diethyl(meta)toluamide; an insect repellent
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

DEET

n (repellent) DEET m
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
In the final experiment, the team found that commercially produced versions of these fatty acids, when applied in equimolar concentrations, performed even better than DEET (N,N-Diethyl-meta-toluamide), a common ingredient in mosquito repellents.
Some evidence suggests that the compound, technically N,N-diethyl-meta-toluamide, hits a specific cellular baseball mitt, an odor receiver that catches repellent scents, triggering a "get-the-heck-out-of-here" signal.
The mums did not state what type of repellent they used but their most common active ingredient is N,N-Diethyl-meta-toluamide - otherwise known as DEET.