1 : a region of a crystal that has different characteristics from the rest of the crystal, usually higher dopant density. [SEMATECH] 2 : on a polished monocrystalline gadolinium gallium garnet wafer, a material defect caused by nonplanar growth interface. This defect normally is highly stained and misoriented with respect to the surrounding area. [SEMI M7-82]
Search the Dictionary for More Terms