A deficiency is generally a lack of something. It may also refer to:
- A deficient number, in mathematics, a number n for which σ(n) < 2n
- Angular deficiency, in geometry, the difference between a sum of angles and the corresponding sum in a Euclidean plane
- Deficiency (medicine), including various types of malnutrition, as well as genetic diseases caused by deficiencies of endogenously produced proteins.
- A deficiency in construction, an item, or condition that is considered sub-standard, or below minimum expectations
- Genetic deletion, in genetics, is also called a deficiency
- A deficiency judgment, in the law of real estate
- A tax deficiency, an amount owed in taxes over and above what has been submitted in payment
Famous quotes containing the word deficiency:
“It is easier to discover a deficiency in individuals, in states, and in Providence, than to see their real import and value.”
—Georg Wilhelm Friedrich Hegel (1770–1831)
“Shakespeare’s fault is not the greatest into which a poet may fall. It merely indicates a deficiency of taste.”
—Denis Diderot (1713–1784)
“All rejection and negation indicates a deficiency in fertility: fundamentally, if only we were good plowland we would allow nothing to go unused, and in every thing, event, and person we would welcome manure, rain, or sunshine.”
—Friedrich Nietzsche (1844–1900)