DictionarydeficiencyLack or shortage
noun

deficiency

dih-FISH-uhn-see/dɪˈfɪʃnsi/

A lack or shortage of something needed or expected.

A deficiency of soil leaves the seedling's roots exposed and its growth weak.

A seedling in a pot with very little soil, roots exposed and weak growth beside a robust plant in full soil.
Etymology

The Latin verb built from these pieces, deficere, meant to fail or desert. Deficiency makes that idea of failing or falling short into a noun for a lack of something needed.

In context

Epic Gardening5:16
If you have a calcium deficiency, what you're going to see is the growing tips, those edges are going to start to decay and collapse
Plant Nutrition 101: All Plant Nutrients and Deficiencies Explained

More examples

  • Yellow leaves can signal a nitrogen deficiency in the soil.
  • The inspection reveals several deficiencies in the building's safety equipment.
  • A deficiency in funding prevents the program from expanding.

Forms

deficiency · deficiencies

deficient adjective — Lacking something needed or required.

Similar words

shortage
Emphasizes an available supply too small to meet demand.
lack
Can describe complete absence, not just an insufficient amount.
inadequacy
Emphasizes failure to meet a required standard or purpose.