Wordnet polsko-angielski 
                         (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") 
diversification, variegation 
Słownik prawniczo-handlowy polsko-angielski Iwona Kienzler, 2010r
                        f diversification ~ portfela portfolio diversification ~ produkcji diversification into new products, products diversification
Otwarty słownik polsko-angielski V.9.2007, Copyright (c) Jerzy Kazojć - 2007 r.
                        diversification