Source : Webster's Revised Unabridged Dictionary (1913)

Materialistic \Ma*te`ri*al*is"tic\, Materialistical
\Ma*te`ri*al*is"tic*al\, a.
   Of or pertaining to materialism or materialists; of the
   nature of materialism.

         But to me his very spiritualism seemed more
         materialistic than his physics.          --C. Kingsley.