Well it's indeed unfortunate that you're so agitated by this. I did mention etymology, and appreciate that you cited a british white goods manufacturer's oven-

Well it's indeed unfortunate that you're so agitated by this. I did mention etymology, and appreciate that you cited a british white goods manufacturer's oven-door-naming system as a counterpoint. I'm wondering if I were to note my tour guide at Hampton Court in 2010 shared my definition, if we could call this a draw? Anyway, good to hear that you believe the distinction is sometimes temperature based, but sometimes not.