touchstone - Dictionary definition and meaning for word touchstone
divide it like touch+stone..so you touch gold with a stone to test the fineness of gold.
A TOUCHSTONE is a special kind of stone that measures the quality of gold. A slight rub or touch on the stone gives you the standard of gold.
think of touchstone pictures...the make films of good standards!!
typical village mentality......villagers to convict.."If you TOUCH this volcanic STONE(temperature=400 degree celcius) and your figers dont get burnt then you are freed from all blames..............;)