Deet Definition
dēt
noun
An oily, liquid neurotoxin, C12H17NO, used in insect and tick repellents.
Webster's New World
pronoun
Origin of Deet
From d t, the initials of diethyl and toluamide in the name of the chemical.
From Wiktionary
From d.t. abbr. of diethyl toluamide
From American Heritage Dictionary of the English Language, 5th Edition
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