dipalmitoylphosphatidylethanolamine /daɪˌpælmɪtɔɪlˌfɒsfəˌtaɪdɪlˌɛθəˈnoʊləˌmiːn/ noun1 •A saturated phospholipid with two palmitic acid tails and an ethanolamine head group, widely used to model cell membranes and formulate lipid-based drug delivery vehicles.