touchstone in Hindi हिन्दी
touchstone in Kannada ಕನ್ನಡ
touchstone in Marathi मराठी
touchstone in Telugu తెలుగు
touchstone in English
- touchstone⇄touchstone, noun.
1. a smooth, fine-grained, black stone used to test the purity of gold or silver by the color of the streak made on the stone by rubbing it with the metal.
2. (Figurative.) any means of testing.
Ex. An era ... in which