Those metals usually considered to be of lesser value and of greater chemical reactivity compared to the noble (or precious) metals, most commonly copper, lead, zinc and tin.
Metals that are mined but not considered precious. Examples include copper, lead, zinc, and tin.
Metals other than gold and silver such as aluminium copper, lead, nickel and zinc. These are traded on the London Metal Exchange as well as other major centres.
Aluminum, copper, steel, nickel is considered base metals in our industries. Usually inexpensive and chosen for specific properties they have.
Metals that are not noble or precious and serve as a base for any object clad or covered with precious metals.
Commercial metal such as copper, lead or zinc. The term was coined to describe a metal 'inferior' to precious metals such as gold and silver.
Any of the non-precious metals.
Major industrial non-ferrous metals other than precious metals and minor metals. See Copper, Lead, Tin, Zinc, Aluminium, Nickel.
Non-precious metals, e.g., iron, copper, lead, zinc, etc. (see Precious metals)
Common, inexpensive metals, such as aluminum, zinc, lead, nickel and tin, that are easily oxidized.
Any non-precious metal (copper, lead, zinc, nickel, etc.).