deficiency

英 [dɪˈfɪʃnsi]

美 [dɪˈfɪʃnsi]

n. 缺乏; 缺少; 不足; 缺点; 缺陷

Collins.2 / BNC.5386 / COCA.6360

牛津词典

noun

缺乏；缺少；不足
the state of not having, or not having enough of, sth that is essential
1. Vitamin deficiency in the diet can cause illness.
  饮食中缺乏维生素可能导致疾病。
2. a deficiency of Vitamin B
  缺乏维生素B
缺点；缺陷
a fault or a weakness in sth/sb that makes it or them less successful
1. deficiencies in the computer system
  计算机系统的种种缺陷

N-VAR （尤指身体所需物质的）缺乏，缺少，不足
Deficiency insomething, especially something that your body needs, is not having enough of it.
1. They did blood tests on him for signs of vitamin deficiency...
  他们给他验了血，以检查是否有维生素缺乏的迹象。
2. There are serious deficiencies in the numbers of suitable aircraft.
  符合要求的飞机数量严重不足。
N-VAR 缺点;缺陷;瑕疵
Adeficiencythat someone or something has is a weakness or imperfection in them.
1. ...a serious deficiency in our air defence.
  我们在空防上的严重缺陷

noun

lack of an adequate quantity or number
1. the inadequacy of unemployment benefits
Synonym:insufficiencyinadequacy
the state of needing something that is absent or unavailable
1. there is a serious lack of insight into the problem
2. water is the critical deficiency in desert regions
3. for want of a nail the shoe was lost
Synonym:lackwant

This is the reaction of calcium deficiency.
这是缺钙的反应。
Both insulin resistance and insulin deficiency increase platelet reactivity.
两者的胰岛素抵抗和胰岛素缺陷提高了血小板活性。
BACKGROUND: Vitamin D deficiency may be involved in the development of atherosclerosis and coronary heart disease in humans.
背景：维生素D缺乏可能参与人类动脉粥样硬化和冠心病的发生发展。
This is a calcium deficiency, some of it?
这是缺钙的一些表现吗？
Is the concept of "vertebrobasilar artery blood supply deficiency" out of date?
“椎-基底动脉供血不足”的概念过时了吗？
In order to overcome this deficiency, the concept of activity or effective concentration was advanced.
为了克服这一缺点，提出了活度或有效浓度的概念。
The targets for the current stage of eliminating the disease caused by iodine deficiency have been achieved.
基本实现了消除碘缺乏病的阶段目标。
NOTE: Anaemia is not always caused by iron deficiency-lead poisoning and thalassaemia can also produce anaemia.
注意：贫血并不总是由缺铁引起，铅中毒和地中海贫血症也会导致贫血。
Kidney deficiency low back pain, women are the most common low back pain.
肾虚腰痛，是女性中最常见的腰痛。
Alopecia may also occur in syphilis, thyroid disease, and iron deficiency.
梅毒、甲状腺疾病和铁缺乏症也可引起脱发。