单词	deficiency disease
释义	deficiency disease noun : a disease (such as scurvy) caused by a lack of essential dietary elements and especially a vitamin or mineral Example Sentences Recent Examples on the Web This yellowing of leaves is sometimes confused with a nutrient deficiency disease called iron chlorosis, especially in the case of azaleas and gardenias. Dan Gill, NOLA.com, 27 Jan. 2021 These ancient beliefs received scientific validation in the early 20th century, when sunlight was employed to kill tuberculosis bacteria and to treat the deficiency disease, rickets. Richard Schiffman, New York Times, 28 Apr. 2020 By artificially adding vitamins and minerals back in, deficiency diseases like rickets and beriberi were largely eliminated from the Western world. Kyle Frischkorn, Smithsonian, 14 June 2017 Word History First Known Use 1912, in the meaning defined above Medical Definition deficiency disease noun : a disease (as scurvy) caused by a lack of essential dietary elements and especially a vitamin or mineral
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