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di·eth·yl·amine | \ (ˌ)dī-ˌeth-ə-lə-ˈmēn 
, -ˈlam-ˌēn \
, -ˈlam-ˌēn \Medical Definition of diethylamine
: a colorless flammable volatile liquid base (C2H5)2NH having a fishy odor and used chiefly in organic synthesis
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