The Collaborative International Dictionary of English v.0.48:

ozocerite \o`zo*ce"rite\ ([=o]`z[-o]*s[=e]"r[imac]t), n. [Gr.
   'o`zein to smell + khro`s wax.] (Min.)
   A waxlike mineral resin; -- sometimes called native
   paraffin, and mineral wax.
   [1913 Webster]

WordNet (r) 3.0 (2006):

ozocerite
    n 1: a waxy mineral that is a mixture of hydrocarbons and occurs
         in association with petroleum; some varieties are used in
         making ceresin and candles [syn: ader wax, earth wax,
         mineral wax, ozokerite, ozocerite]