It has to do with being able to dissimilate hardware in the loop work.
The Waitt Institute has set up a Web site to dissimilate their data.
These two related tribes of people gradually dissimilated over time.
These consonants dissimilate.
The second -B- in the case ending has dissimilated.
Only the unstressed vowels dissimilated.
WordNet 3.0 Sense Numbers: 1, 2, 3