कसौटी — touchstone (Noun)
निकष — touchstone (Noun)
touchstone — dlkSVh
Touchstone — Lydian stone; basanite; -- so called because used to test the purity of gold and silver by the streak which is left upon the stone when it is rubbed by the metal. See Basanite.
Touchstone — Any test or criterion by which the qualities of a thing are tried.