Source : Webster's Revised Unabridged Dictionary (1913)

Diversity \Di*ver"si*ty\, n.; pl. {Diversities}. [F.
   diversit['e], L. diversitas, fr. diversus. See {Diverse}.]
   1. A state of difference; dissimilitude; unlikeness.

            They will prove opposite; and not resting in a bare
            diversity, rise into a contrariety.   --South.

   2. Multiplicity of difference; multiformity; variety.
      ``Diversity of sounds.'' --Shak. ``Diversities of
      opinion.'' --Secker.

   3. Variegation. ``Bright diversities of day.'' --Pope.

   Syn: See {Variety}.

Source : WordNet®

diversity
     n 1: noticeable heterogeneity; "a diversity of possibilities";
          "the range and variety of his work is amazing" [syn: {diverseness},
           {multifariousness}, {variety}]
     2: the condition or result of being changed