triethylamine
noun
tri·eth·yl·amine
| \ (ˈ)trī-ˌeth-ᵊl-ə-ˈmēn, -ˈam-ˌēn
\
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Medical Definition of triethylamine
: a water-soluble flammable liquid tertiary amine (C2H5)3N that is used chiefly in synthesis (as of quaternary ammonium compounds)