Bedeutung von “deficiency” — Learner’s Dictionary

deficiency

noun [ C, U ] us uk /dɪˈfɪʃənsi/
NOT ENOUGH

a situation in which you do not have enough of something:

a vitamin deficiency
FAULT

a mistake or fault in something so that it is not good enough:

Parents are complaining of serious deficiencies in the education system.

(Definition von “deficiency” aus dem Cambridge Learner's Dictionary © Cambridge University Press)