rose copper
Metallurgy (now chiefly historical )
noun
A highly refined form of metallic copper.
Origin
Late 17th century.
- walking up
- walking whale
- walking wheel
- walking wounded
- walk in on
- walk into
- walkist
- walk it
- walklet
- Walkman
- walk-march
- walk Matilda
- walk mill
- walk-off
- walk off with
- walk of life
- walk of shame
- walk-on
- walk on air
- walk on eggshells
- walk (or stand) tall
- walk (or tread) on air
- walk out
- walkout
- walk over