Deficiency | Mean of deficiency in English Dictionary

/dɪˈfɪʃənsi/

• Noun
• a lack of something that is needed
1. The disease may be caused by nutritional deficiencies.
2. The book's major deficiency is its poor plot.
3. a deficiency of vitamin C
4. vitamin deficiency
• a problem in the way something is made or formed
1. There are several deficiencies in his plan.
2. The accident was caused by deficiencies in the engine.