Source : Webster's Revised Unabridged Dictionary (1913)

Decomposite \De`com*pos"ite\, n.
   Anything decompounded.

         Decomposites of three metals or more.    --Bacon.

Decomposite \De`com*pos"ite\, a. [Pref. de- (intens.) +
   composite.]
   1. Compounded more than once; compounded with things already
      composite.

   2. (Bot.) See {Decompound}, a., 2.