free gold
noun
Gold occurring naturally in a pure state, unmixed with other substances.
Origin
Mid 19th century.
- roemer
- roemerite
- roentgen
- Roentgenically
- roentgenise
- roentgenised
- Roentgenism
- roentgenite
- roentgenium
- roentgenization
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- roentgenized
- roentgenkymogram
- roentgenkymographic
- roentgenkymographically
- roentgenkymography
- roentgenogram
- roentgenograph
- roentgenographic
- roentgenographically
- roentgenography
- roentgenologist
- roentgenology
- roentgenoscope
- roentgenoscopic