"Digestio"-ren itzulpena ingelesa-era

The whole of the physical, chemical, and biochemical processes carried out by multicellular organisms to break down ingested nutrients into components that may be easily absorbed and directed into metabolism.

The reduction in volume and the decomposition of highly putrescible organic matter to relatively stable or inert organic and inorganic compounds. Sludge digestion is usually done by aerobic organisms in the absence of free oxygen.