/dɪˈfɪʃnsi/

de·fi·ciency

BrE /dɪˈfɪʃnsi/

NAmE /dɪˈfɪʃnsi/

(

plural

de·fi·ciencies) (formal)

[U, C]

~ (in/of sth)

the state of not having, or not having enough of, sth that is essential

SYN shortage

Vitamin deficiency in the diet can cause illness.

a deficiency of Vitamin B

[C]

~ (in/of sth)

a fault or a weakness in sth/sb that makes it or them less successful

deficiencies in the computer system