Meaning of disassimilation in English:

disassimilation

Pronunciation /ˌdɪsəsɪmɪˈleɪʃn/

noun

rare Physiology Biochemistry
  • The breaking down of complex chemical compounds to simpler ones by an organism's metabolic processes; an instance of this.

Origin

Early 19th century. From dis- + assimilation, after French désassimilation.