coextrusion in English dictionary coextrusion Meanings and definitions of "coextrusion" (manufacturing) The extrusion of multiple layers of material simultaneously. noun (manufacturing) The extrusion of multiple layers of material simultaneously. more Grammar and declension of coextrusion coextrusion ( countable and uncountable; plural coextrusions) coextrusion (countable and uncountable, plural coextrusions) more Sample sentences with "coextrusion" Declension Stem Try again Available translations Catalan French Tamil Authors