DEFICIENCY definition in American English | Collins English …
https://www.collinsdictionary.com/us/dictionary/english/deficiency
WEB6 days ago · 1. variable noun. Deficiency in something, especially something that your body needs, is not having enough of it. They did blood tests on him for signs of vitamin deficiency. Synonyms: lack, want, deficit, absence More Synonyms of deficiency. 2. variable noun. A deficiency that someone or something has is a weakness or imperfection in them.
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