Definition of digestion in English:

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Pronunciation: /dəˈjesCH(ə)n/
Pronunciation: /dīˈjesCH(ə)n/


1The process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.
Example sentences
  • 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
More example sentences
  • 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.
Example sentences
  • 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).

Words that rhyme with digestion

congestion, ingestion, question, suggestion

For editors and proofreaders

Syllabification: di·ges·tion

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