: produced by simultaneous extrusion of multiple layers
The carbonated beverage container is a can within a can; the 7-layer coextruded package consists of a lightweight fluted plastic shell inside a smooth plastic outer container.—
Predicasts Technology Update, 30 Apr. 1983
coextrude
transitive verb
or co-extrude
coextruded or co-extruded; coextruding or co-extruding; coextrudes or co-extrudes
The product, made in Mount Vernon, Ind., is coextruded into two layers—one clear, one colored—to simulate automotive paint.
—Alexander H. Tullo, Chemical & Engineering News, 20 May 2002
The company designed the pen to be light, very durable, easy to clean, modular and completely free-standing. Hampel coextrudes a polyethylene sheet, which gives the pen walls the required rigidity.
—Bill Bregar, Plastics News, 30 Sept. 2013
coextrusion
noun
or co-extrusion
plural coextrusions or co-extrusions
Another breakthrough in packaging results from a process called "barrier coextrusion," in which plastics with different properties are layered into a single sheet.
—James R. Chiles, Smithsonian, November 1985
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Merriam-Webster unabridged
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