Source : Webster's Revised Unabridged Dictionary (1913)

Crizzel \Criz"zel\ (kr?z"z'l), n. [Cf. grizzle darkish gray, or
   G. griselig gravelly, granular, speckled.]
   A kind of roughness on the surface of glass, which clouds its
   transparency. [Written also {crizzeling} and {crizzle}.]