glass: 1 . In the strict sense, a state of matter. [FAA] 2. In fiber-optic communication, any of a number of noncrystalline, amorphous inorganic substances, formed, by heating, from metallic or semiconductor oxides or halides, and used as the material for fibers. Note: The most common glasses are based on silicon dioxide (SiO2). [After FAA]

This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996