prubířský kámen — meaning in English
Czech → English · translate English → Czech instead
English meaning
- touchstone noun A dark stone once used to test the purity of gold or silver by rubbing the metal on it and examining the streak left behind.
Senses
prubířský kámen is used for these senses in English:
- touchstone A stone used to verify the quality of gold alloys by rubbing them in order to leave a visible trace.
touchstone — full definition
- noun A dark stone once used to test the purity of gold or silver by rubbing the metal on it and examining the streak left behind.
- noun A standard or test used to judge the quality or genuineness of something.