Noun
diethanolamine (countable and uncountable, plural diethanolamines)
(organic chemistry) A hydroxy secondary amine, (HO-CH2-CH2)2NH, used as a chemical intermediate and to absorb acidic gases.
Synonyms: (abbreviation) DEA, iminodiethanol
Diethanolamine and triethanolamine are used in flex molded foams to build firmness and add catalytic activity. Source: Internet