a very strongly burning fire

        to shake violently and uncontrollably

        an area of lower position, a hollow

        not active but capable of becoming active

        extraordinarily great in size, number, or degree

        changed as in color or structure by exposure 

       to cause to be concentrated

       to be given a source of pleasure or satisfaction

       to catch on fire

      of great value or high price

       burned slowly with smoke but without flame