Definition of dissimilation in US English:

dissimilation

noun

Linguistics
  • See dissimilate

    • ‘There was no principle shift in glucose dissimilation during cell growth with different carbon substrates.’
    • ‘However, PEPCK was also present in the flesh of blueberries, raspberries, and redcurrants when there was no dissimilation of malate or citrate, and this raises the possibility that PEPCK might have additional functions.’
    • ‘In aquatic systems these processes are two orders of magnitude slower than assimilation and dissimilation.’
    • ‘In some of these languages the rule is still productive, while others show only historical dissimilation.’

Pronunciation

dissimilation

/dəˌsɪməˈleɪʃ(ə)n//dəˌsiməˈlāSH(ə)n/