rusty gold
Mining
noun
Gold having a surface coating, typically of iron oxide, that makes it resistant to amalgamation.
Origin
Mid 19th century.
- be at (or on) the receiving end
- beat (or smash) someone to a pulp
- beat (or turn) swords into ploughshares
- beat (or whale) the tar out of
- beat oscillator
- beat poet
- beat poetry
- Beatrix
- beat someone at their own game
- beat someone back
- beat someone down
- beat someone hollow
- be at someone's service
- beat someone/thing off
- beat someone to it
- beat someone to the punch
- beat someone up
- beat something down
- beat something out
- beat the bejesus out of
- be at the bottom of
- beat the bounds
- beat the bushes
- beat the clock
- beat the count