Why do we say something is jet black? It doesn’t have anything to do with aircraft. The jet in jet black is the name of a black semi-precious stone, which in turn takes its name from the part of Syria where it was found in abundance in...
Why do we say something is jet black? It doesn’t have anything to do with aircraft. The jet in jet black is the name of a black semi-precious stone, which in turn takes its name from the part of Syria where it was found in abundance in...