A paper machine using one large, cylindrical, heated drier instead of many small ones to dry the sheet of paper after coming off the wet end of the machine. On the Yankee machine, as the paper remains in contact with this cylinder and dries, a glazed finish is imparted to the side which contacts the drying surface. The opposite side remains rough by comparison.

Describes a transformation inherent to all vegetable fibers which is caused by exposure to elements such as heat, light and moisture.