n. [ See Amorphous. ] A state of being amorphous; esp. a state of being without crystallization even in the minutest particles, as in glass, opal, etc. There are stony substances which, when fused, may cool as glass or as stone; the glass state is spoken of as a state of amorphism. [ 1913 Webster ]

n. [ Gr. &unr_; again + morfh` form. ] 1. A distorted image. [ 1913 Webster ]

2. (Biol.) A gradual progression from one type to another, generally ascending. Huxley. [ 1913 Webster ]

n. (Geol.) The state or quality of being metamorphic; the process by which the material of rock masses has been more or less recrystallized by heat, pressure, etc., as in the change of sedimentary limestone to marble. Murchison. [ 1913 Webster ]

n. (Min.) The change of one mineral species to another, so as to involve a change in physical characters without alteration of chemical composition. [ 1913 Webster ]