Touchstone

Noun

 * 1) A stone used to test the quality of gold alloys.
 * 2) A standard of comparison or evaluation.

Thesaurus
acid test, assay, barometer, benchmark, blank determination, brouillon, canon, check, criterion, crucial test, crucible, degree, demonstration, determination, docimasy, essay, feeling out, first draft, gauge, graduated scale, kiteflying, measure, model, norm, ordeal, parameter, pattern, probation, proof, quantity, reading, readout, reference, rough draft, rough sketch, rule, scale, sounding out, standard, test, test case, trial, try, type, value, verification, yardstick

Translations

 * Chinese:
 * Mandarin: (shìjīnshí)
 * French:
 * German:


 * Japanese: 試金石 (しきんせき, shikin seki)
 * Korean: 시금석 (sigeumseok)
 * Spanish: piedra de toque


 * Chinese:
 * Mandarin: (shìjīnshí)
 * German:


 * Japanese: 試金石 (しきんせき, shikin seki)
 * Korean: 기준 (gijun)
 * Swedish: njursten