US: /dɪˈfɪʃənsi/
UK: /dɪfˈɪʃənsi/

English Vietnamese dictionary

deficiency /di'fiʃənsi/
  • danh từ
    • sự thiếu hụt, sự không đầy đủ
    • số tiền thiếu hụt; lượng thiếu hụt
      • to make up a deficiency: bù vào chỗ thiếu hụt
    • sự thiếu sót, sự kém cỏi, sự bất tài
    • (toán học) số khuyết
      • deficiency of a curve: số khuyết của một đường
      • y deficiency disease: bệnh thiếu vitamin
      • mental deficiency: chứng đần

Advanced English dictionary

of sth)
1 [U, C] the state of not having, or not having enough of, sth that is essential: Vitamin deficiency in the diet can cause illness. + a deficiency of Vitamin B
2 [C] a fault or a weakness in sth/sb that makes it or them less successful: deficiencies in the computer system

Collocation dictionary


major, serious, severe | slight, small | dietary, nutritional | enzyme, hormone, mineral, nutrient, vitamin | calcium, iron, etc.


have, suffer from
suffering from a severe vitamin deficiency
| correct, make good, make up, overcome, remedy
I've been prescribed iron tablets to make up the deficiency. An engineer could remedy the deficiencies in the design.


~ in
serious deficiencies in the health service

Concise English dictionary

+the state of needing something that is absent or unavailable
+lack of an adequate quantity or number