digestion

noun

di·​ges·​tion dī-ˈjes-chən 

də-,

-ˈjesh-

: the action, process, or power of digesting: such as

a

: the process of making food absorbable by mechanically and enzymatically breaking it down into simpler chemical compounds in the digestive tract

b

: the process in sewage treatment by which organic matter in sludge is decomposed by anaerobic bacteria with the release of a burnable mixture of gases

Examples of digestion in a Sentence

an enzyme that aids in the digestion of protein

She began to suffer from poor digestion as she grew older.

Recent Examples on the Web

In addition, ginger can improve digestion, reduce abdominal bloating and help to reduce inflammation. —Veronica Cristino, Vogue, 9 Apr. 2025

Since the incident, 8-year-old Star began experiencing pneumonia, digestion issues and rapid weight loss, Whitehead told the Associated Press on March 13. —Angel Saunders, People.com, 8 Apr. 2025

The combination of the sculpt therapy and hydrating Vitamin C oil boosts immunity, supports digestion, and helps detoxify the body, all of which are critical as hormonal changes affect various bodily systems during menopause. —Tanya Benedicto Klich, Forbes.com, 8 Apr. 2025

Over time, this awareness builds trust with your body, supports better digestion, and reduces mindless eating. —Lindsey Desoto, Rd, Ld, Verywell Health, 8 Apr. 2025

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for digestion

• congestion
• ingestion
• suggestion
• gestion
• question
• indigestion

Kids Definition

digestion

noun

di·​ges·​tion dī-ˈjes-chən 

də-

: the process by which food is broken down into simpler forms in the body by mechanical and enzymatic means

Medical Definition

digestion

noun

di·​ges·​tion dī-ˈjes(h)-chən, də- 

: the action, process, or power of digesting

especially : the process of making food absorbable by mechanically and enzymatically breaking it down into simpler chemical compounds in the digestive tract