Source : Webster's Revised Unabridged Dictionary (1913)

Pompholyx \Pom"pho*lyx\, n. [L., fr. Gr. ? a bubble, the slag on
   the surface of smelted ore, from ? a blister.]
   1. (Old Chem.) Impure zinc oxide.

   2. (Med.) A skin disease in which there is an eruption of
      bull[ae], without inflammation or fever.