[{"Bold_text": "verb (used with object)", "List Items": ["to thrust out; force or press out; expel:to extrude molten rock.", "to form (metal, plastic, etc.) with a desired cross section by forcing it through a die."]}, {"Bold_text": "verb (used without object)", "List Items": ["to protrude.", "to be extruded:This metal extrudes easily."]}]