Shaped or formed by being pushed or squeezed through an opening or die; made by the extrusion process.
Past tense and past participle of extrude, formed with the regular English -ed ending. The word retains its meaning of having been forced outward through pressure.
When you see 'extruded aluminum' on a product, it means the metal was heated and forced through a shaped opening—it's a brilliant way to make complex shapes without having to cast or machine them from solid blocks, which saves enormous amounts of material and energy!
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