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Definitions

deficiency

[dih-fish-uhn-see] / dɪˈfɪʃ ən si /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Without enough B12, things can go wrong, sometimes seriously, especially if deficiency is not recognized and treated.

From Science Daily • May 27, 2026

This is why B12 deficiency is taken seriously.

From Science Daily • May 27, 2026

B12 is clearly essential for the nervous system, and deficiency should not be ignored.

From Science Daily • May 22, 2026

The study found postoperative nausea occurred more often among patients with vitamin D deficiency.

From Science Daily • May 20, 2026

Something you should understand: I’m not androgynous in the least. 5-alpha-reductase deficiency syndrome allows for normal biosynthesis and peripheral action of testosterone, in utero, neona- tally, and at puberty.

From "Middlesex: A Novel" by Jeffrey Eugenides




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