[{"Bold_text": "adjective", "List Items": ["Metallurgy.made or consisting of two metals.of or relating to a bimetal .", "made or consisting of two metals.", "of or relating to a bimetal .", "pertaining to bimetallism.", "Engraving.(of an offset plate) consisting of a face layer of chromium, stainless steel, or chemically prepared aluminum over a layer of copper."]}]