Definition of ingestion noun from the Oxford Advanced Learner's Dictionary

 

ingestion

 noun
noun
BrE BrE//ɪnˈdʒestʃən//
 
; NAmE NAmE//ɪnˈdʒestʃən//
 
[uncountable](specialist)
 
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the act of taking food, drugs, etc. into your body, usually by swallowing Ingestion may cause vomiting. Obesity is caused by the ingestion of more fat than the body needs for physical activity and growth.