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- DictionaryIn·ges·tion/inˈjesCH(ə)n/
noun
- 1. the process of taking food, drink, or another substance into the body by swallowing or absorbing it: "vomiting after ingestion of contaminated food"
noun
Ingestion is the consumption of a substance by an organism. In animals, it normally is accomplished by taking in a substance through the mouth into the gastrointestinal tract, such as through eating or drinking. In single-celled organisms, ingestion takes place by absorbing a substance through the cell membrane. Wikipedia