- a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals.
- a much-weathered limestone, rich in silica: used in powdered form for polishing metal
More Definitions
- ROOT TEST (noun) Definition, Meaning & Examples
- DEMARCATION (noun) Definition, Meaning & Examples
- CORPOREAL (noun) Definition, Meaning & Examples
- TUBULAR BELLS (noun) Definition, Meaning & Examples
- PYROXENITE (noun) Definition, Meaning & Examples
- TRIPLE ALPHA PROCESS (noun) Definition, Meaning & Examples
