From WordNet (r) 2.0 (August 2003) [wn]:
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
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Diversity \Di*ver"si*ty\, n.; pl. Diversities. [F.
diversit['e], L. diversitas, fr. diversus. See Diverse.]
1. A state of difference; dissimilitude; unlikeness.
[1913 Webster]
They will prove opposite; and not resting in a bare
diversity, rise into a contrariety. --South.
[1913 Webster]
2. Multiplicity of difference; multiformity; variety.
"Diversity of sounds." --Shak. "Diversities of opinion."
--Secker.
[1913 Webster]
3. Variegation. "Bright diversities of day." --Pope.
Syn: See Variety.
[1913 Webster]