pedra de toque
Galician
Noun
pedra de toque f (plural pedras de toque)
- touchstone (a stone used to test the quality of precious metals)
- (figurative) touchstone (a standard of comparison or evaluation)
Portuguese
Noun
pedra de toque f (plural pedras de toque)
- touchstone (a stone used to test the quality of precious metals)
- (figurative) touchstone (a standard of comparison or evaluation)