СловариФорумКупитьСкачатьКонтакты

   Английский +
Google | Forvo | +

touchstone

['tʌʧstəun] сущ.
общ. Probierstein m; Prüfstein m; Maßstab Qualität
горн. Lydit m; Lydischer Stein
мет. Basanit m
тех. schwarzer Kieselschiefer
touchstones сущ.
общ. Probiersteine m; Prüfsteine m
 Английский тезаурус
touchstone ['tʌʧstəun] сущ.
общ. (A.Rezvov); a fundamental or quintessential part or feature : basis (merriam-webster.com A.Rezvov); a test or criterion for determining the quality or genuineness of a thing (merriam-webster.com A.Rezvov); a black siliceous stone related to flint that is used to test the purity of gold and formerly silver by the streak left on the stone when rubbed by the metal (merriam-webster.com A.Rezvov)