copperiness means the quality or state of being coppery, as:; The trait or degree of containing copper.
Etymology
From coppery + -ness.
noun
- The quality or state of being coppery, as:; The trait or degree of containing copper.“the relative copperiness of marine bronze grades”
- The quality or state of being coppery, as:; The trait of resembling copper.“the copperiness of the sunset”