Definition of digestion in English:


Syllabification: di·ges·tion
Pronunciation: /diˈjesCHən, dī-


  • 1The process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.
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    • Different regions of the digestive tract are concerned with storage, secretion, the processes of food digestion, absorption, and the elimination of waste products.
    • In addition, they typically assess everyday body processes, such as appetite, digestion, defecation, urination, and sleep.
    • You need water for all bodily processes, including digestion, waste excretion, circulation and even breathing.
  • 1.1A person’s capacity to break down food into substances that can be used by the body: bouts of dysentery impaired his digestion
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    • Our digestions coped admirably and thus you will have no tales concerning toilets, bushes, and Delhi Belly.
    • Note that sensitive digestions tolerate cooked onions better than raw ones.
    • This man, perhaps, may have an easy conscience and a good digestion.
  • 1.2 Chemistry The process of treating a substance by means of heat, enzymes, or a solvent to promote decomposition or extract essential components.
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    • Elements that had been located within the protoplasts (intracellular fraction) were solubilized by digestion with concentrated nitric acid.
    • This assay does not require enzyme digestion or electrophoretic separation of DNA fragments.
    • Dried leaf discs were analysed for organic N and Ca after digestion in sulphuric acid and subsequent dilution.


late Middle English: via Old French from Latin digestio(n-), from the verb digerere (see digest).

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