- the process in the alimentary canal by which food is broken up physically, as by the action of the teeth, and chemically, as by the action of enzymes, and converted into a substance suitable for absorption and assimilation into the body.
- the function or power of digesting food: My digestion is bad.
- the act of digesting or the state of being digested.
Origin of digestion
Examples from the Web for digestion
Digestion is a technical term which relates the mechanical, enzymatic, and chemical degradation of food.Quora Q: Does Drinking Water During Meals Help or Hinder the Digestive System?
January 30, 2014
The simple act of extra chewing will help create additional saliva which can aid in digestion.Use These 15 Home Remedies Based On Ayurveda To Cure Menstrual Cramps, Hangovers, and Indigestion
January 21, 2014
They can even help your digestion and the regularity of your bowel movements.Squats: The Absolutely Incredible Secret to Staying in Shape
January 2, 2014
Probiotics are the beneficial bacteria that help regulate our digestion, strengthen our immune system and maintain sanity.These Are The 15 Supplements to Keep In Your Medicine Cabinet
December 28, 2013
But why rasp your nerves and spoil your digestion by so fuming over their politics?In the Valley
His constitution was strong; but, somehow or other, his digestion was not as good as it might be.Night and Morning, Complete
He has the constitution of a rhinoceros, the digestion of an ostrich, and the concentration of an oyster.Little Dorrit
What a digestion the man must have for the hardest kinds of humiliation!Diary from November 12, 1862, to October 18, 1863
She should have taken straight brandy to settle her digestion.L'Assommoir
- the act or process in living organisms of breaking down ingested food material into easily absorbed and assimilated substances by the action of enzymes and other agentsRelated adjective: peptic
- mental assimilation, esp of ideas
- bacteriol the decomposition of sewage by the action of bacteria
- chem the treatment of material with heat, solvents, chemicals, etc, to cause softening or decomposition
Word Origin and History for digestion
late 14c., from Old French digestion (13c.), from Latin digestionem (nominative digestio), noun of action from past participle stem of digerere (see digest (n.)).
- The process by which food is converted into substances that can be absorbed and assimilated by the body, especially that accomplished in the alimentary canal by the mechanical and enzymatic breakdown of foods into simpler chemical compounds.
- The process by which food is broken down into simple chemical compounds that can be absorbed and used as nutrients or eliminated by the body. In most animals, nutrients are obtained from food by the action of digestive enzymes. In humans and other higher vertebrates, digestion takes place mainly in the small intestine. In protists and some invertebrates, digestion occurs by phagocytosis.
- The decomposition of organic material, such as sewage, by bacteria.