(organic chemistry) A clear, hygroscopic, odorless liquid, which is described by the chemical structural formula HO-CH₂-CH₂-O-CH₂-CH₂-OH. It is toxic to humans and other animals.

(organic chemistry) The tertiary amine C₆H₅N(CH₃CH₂)₂, that has many industrial uses.

(pharmacology) A particular narcotic painkiller.

(organic chemistry, in combination) Two ethylene groups in a molecule

plural of diethylamide

(organic chemistry) The derivative of a compound formed by adding an amide group with two ethyl substituents, N(C₂H₅)₂.

(organic chemistry, in combination) The univalent radical (CH₃CH₂)₂N- derived from diethylamine

(organic chemistry) The secondary amine (CH₃CH₂)₂NH

plural of diethylene

plural of diethylaniline