Dissimilation

n.

1.

The act of making dissimilar.

Noun	1.	dissimilation - a linguistic process by which one of two similar sounds in a word becomes less like the other; "the Old French MARBRE became the English MARBLE by dissimilation"
	2.	dissimilation - breakdown of more complex substances into simpler ones with release of energy Synonyms: catabolism, destructive metabolism, katabolism

dissimilate, linguistic process