Wiktionary
n. (base metal English)
Usage examples of "base metals".
Jonnie realized this was how Psychlo fuel worked, but it had no heavy metal in it, only the more base metals.
They also had decorations on their horns, but the displays were generally simple and made of base metals or brass.
It started by your telling us about the old Alchemists and how they used to make gold out of base metals.
If the base metals are not gold, it is only through some accidental hindrance.
Much is badly adulterated with base metals, but you have to understand this is so commonplace as to be openly accepted and not the disgrace it would be among a civilized people.
The supernovae are the long-sought Philosopher's Stone, converting base metals into precious metals.
Meanwhile the Thirty Years War had destroyed the prosperity of central Europe and there was a sudden but very general interest in ``alchemy,'' the strange pseudo-science of the middle-ages by which people hoped to turn base metals into gold.
Everyone says they're looking for magical help to turn base metals precious.