1. [ noun ] (linguistics) 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"

Related terms: linguistic_process dissimilate
2. [ noun ] (biology) breakdown of more complex substances into simpler ones with release of energy
Synonyms: katabolism destructive_metabolism catabolism
Related terms: anabolism organic_process metabolism
Similar spelling:   dissimulation