metallicize
[ muh-tal-uh-sahyz ]
/ məˈtæl əˌsaɪz /
verb (used with object), me·tal·li·cized, me·tal·li·ciz·ing.
Electricity.
to make (a circuit) thoroughly metallic, as by replacing a ground return with another wire.
Also
especially British,
me·tal·li·cise.