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| de·fi·cien·cy dis·ease (plural de·fi·cien·cy dis·eas·es) |
noun |
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disease caused by lack of nutrients: a disease resulting from lack of a nutrient or other substance required by a human being or other animal or a plant for growth, development, or general health. The deficiency may be caused either by an inadequate supply of the required substance or by an inability to process it.
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