white metal

Short definition from Wiktionary

Noun

1. 1
   Any tin- or lead-based alloy (commonly used to make bearings, jewellery, toy soldiers, fusible plugs, some medals and metal type).
2. 2
   Silver that cannot be labeled as silver in the UK because it does not bear an Assay Office hallmark.
3. 3
   Any silvery or whitish metal or alloy.
4. 4
   Christian-themed heavy metal, as distinguished from black metal.