touchstone

الإنجليزية - التركية

تعريف touchstone في الإنجليزية التركية القاموس.

mihenk taşı

mihenktaşı

Hayaller kişiliklerimizin mihenktaşıdır. - Dreams are the touchstones of our characters.

ölçüt

kriter

{i} ayar

{i} denektaşı

mihenk

Hayaller kişiliklerimizin mihenktaşıdır. - Dreams are the touchstones of our characters.

الإنجليزية - الإنجليزية

تعريف touchstone في الإنجليزية الإنجليزية القاموس.

A standard of comparison or evaluation

A stone used to test the quality of gold alloys

{i} yardstick, criterion

{n} a stone to try metals by, test, trial

Any test or criterion by which the qualities of a thing are tried

a basis for comparison; a reference point against which other things can be evaluated; "they set the measure for all subsequent work"

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

If you use one thing as a touchstone of another, you use it as a test or standard by which you judge the second thing. Job security has become the touchstone of a good job for many employees. something used as a test or standard touchstone of (touchstone (16-21 centuries)). Black, silica-containing stone used in assaying to determine the purity of gold and silver. The metal to be assayed is rubbed on the touchstone, and then a sample of metal of known purity is rubbed on the stone right next to it. The streaks of metal on the stone are treated with nitric acid, which dissolves impurities, thus increasing the contrast between the two samples when compared. Because other metals, such as copper, can be alloyed to silver without changing its colour significantly, the touchstone method is not usually used now to assay silver, though it is still used to assay gold and provides a reasonably accurate guide to quality

المصطلحات ذات الصلة

touchstones

plural of touchstone

الواصلة

touch·stone

التركية النطق

tʌçstōn

النطق

/ˈtəʧˌstōn/ /ˈtʌʧˌstoʊn/