Rating | Solver | Clue |
---|---|---|
METALS | Iron, copper, lead etc | |
VODANIUM | A supposed element, afterward found to be a mixture of several metals, as copper, iron, lead, nickel, etc. | |
ORE | ...mbined, as gold, copper, etc., or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc.... |