plural noun Informal.
- details: Do you have any deets on their divorce?
Chemistry, Trademark.
- a brand of diethyltoluamide.
n acronym for
- diethyl(meta)toluamide; an insect repellent
- A colorless, oily liquid that has a mild odor and is used as an insect repellent. Its chemical name is diethyl toluamide. Chemical formula: C12H17NO.