variegation
1. [ noun ] the act of introducing variety (especially in investments or in the variety of goods and services offered)
Synonyms: diversification
Examples:

"my broker recommended a greater diversification of my investments" "he limited his losses by diversification of his product line"

Related terms: change vary
2. [ noun ] variability in coloration
Related terms: variability variegate
Similar spelling:   variegate
  variegated