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metallicize

American  
[muh-tal-uh-sahyz] / məˈtæl əˌsaɪz /
especially British, metallicise

verb (used with object)

metallicized, metallicizing
  1. Electricity.  to make (a circuit) thoroughly metallic, as by replacing a ground return with another wire.


Etymology

Origin of metallicize

metallic + -ize