The Collaborative International Dictionary of English v.0.48:

Industrialism \In*dus"tri*al*ism\, n.
   1. Devotion to industrial pursuits; labor; industry. --J. S.
      Mill.
      [1913 Webster]

   2. The principles or policy applicable to industrial pursuits
      or organized labor.
      [1913 Webster]

            Industrialism must not confounded with
            industriousness.                      --H. Spencer.
      [1913 Webster]

WordNet (r) 3.0 (2006):

industrialism
    n 1: an economic system built on large industries rather than on
         agriculture or craftsmanship