Source : Webster's Revised Unabridged Dictionary (1913)

Vulgarization \Vul`gar*i*za"tion\, n.
   The act or process of making vulgar, or common.

Source : WordNet®

vulgarization
     n 1: the act of rendering something coarse and unrefined [syn: {vulgarisation}]
     2: the act of making something attractive to the general public
        [syn: {popularization}, {popularisation}, {vulgarisation}]