Saturday, August 9, 2014

Touchstone

Touchstone [ TUHCH-stohn ]
 noun, adjective ]
 MEANING :
 1.(n.) a criterion, test or standard to measure quality or genuineness
2. (n.) a black, siliceous stone that was priorly used to test the purity of gold
3. (adj.) basis or a quintessential or an important feature
 USAGE EXAMPLE 1 :
 The checks failed as none of the important touchstones were achieved.