Deficiency

usgb/dɪˈfɪʃnsi/Volume
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Common PairingsPlay
Often used with 'vitamin' and 'mineral', to describe health-related lacks. SlideShe's been diagnosed with a mineral deficiency.
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Quantifiable LackPlay
It implies you can measure what is missing. SlideA deficiency of three units was noted in stock.
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Negative ConsequencePlay
Use 'deficiency' when the lack of something leads to negative outcomes. SlideA deficiency in attendance could lead to course failure.