ceroplastic

from The Collaborative International Dictionary of English v.0.48

Ceroplastic \Ce`ro*plas"tic\, a. [Gr. ? for modeling in wax;
   khro`s wax + ? to form, mold.] (Fine arts)
   (a) Relating to the art of modeling in wax.
   (b) Modeled in wax; as, a ceroplastic figure.
       [1913 Webster] Ceroplastics