also  het*ero*chro*ma*tin*iza*tion  also Brit  het*ero*chro*ma*ti*sa*tion  also  het*ero*chro*ma*tin*isa*tion  n :  the transformation of or the extent of the transformation of genetically active euchromatin to inactive heterochromatin het*ero*chro*ma*tized also Brit  het*ero*chro*ma*tised  adj 
 
 
 
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