VARIEGATION
diversification, variegation
(noun) the act of introducing variety (especially in investments or in the variety of goods and services offered); “my broker recommended a greater diversification of my investments”; “he limited his losses by diversification of his product line”
variegation
(noun) variability in coloration
Source: WordNet® 3.1
Etymology
Noun
variegation (countable and uncountable, plural variegations)
(botany) A variation in the colour of different zones of the same plant.
The state of being variegated; streaked, spotted.
Source: Wiktionary
Va`ri*e*ga"tion, n.
Definition: The act of variegating or diversifying, or the state of being
diversified, by different colors; diversity of colors.
Source: Webster’s Unabridged Dictionary 1913 Edition