Word · CEFR B1 · Frequency #5386
deficiency
缺乏；不足；短缺
Lack or insufficiency; the state of being inadequate or incomplete.
- 1.
Inadequacy or incompleteness.
不足或不完整。
- 2.
the state of needing something that is absent or unavailable
缺乏所需之物的状态
- 3.
An insufficiency, especially of something essential to health.
缺乏,尤指对健康必不可少的东西的不足。
- 4.
lack of an adequate quantity or number
数量或数目不足
- 5.
The amount by which the number of double points on a curve is short of the maximum for curves of the same degree.
曲线二重点数少于同次曲线最大点数的差额。
- 6.
The codimension of a linear system in the corresponding complete linear system.
线性系统在相应完全线性系统中的余维数。
营养缺乏；缺乏症；亏量；余维数；不足或不完整。；缺乏所需之物的状态
In use
A nutritional deficiency can lead to health problems.
The team's main deficiency is a lack of experience.
Vitamin D deficiency is common in winter.
water is the critical deficiency in desert regions
deficiency in sth
常与in连用，表示在某方面存在不足。
The test revealed a deficiency in iron levels.
测试显示铁含量不足。
deficiency of sth
用of表示缺乏某物，强调匮乏对象。
A deficiency of vitamin C can cause scurvy.
维生素C缺乏会导致坏血病。
Common mistakes
Connections
Collocations
- vitamin deficiency
- 维生素缺乏
- Vitamin deficiency can lead to various health problems.维生素缺乏会导致各种健康问题。
- iron deficiency
- 缺铁
- Iron deficiency is a common cause of anemia.缺铁是贫血的常见原因。
- immune deficiency
- 免疫缺陷
- Patients with immune deficiency are more susceptible to infections.免疫缺陷患者更容易受到感染。
- nutritional deficiency
- 营养缺乏
- A balanced diet prevents nutritional deficiency.均衡的饮食可预防营养缺乏。
- deficiency disease
- 缺乏症
- Scurvy is a classic deficiency disease caused by lack of vitamin C.坏血病是一种因缺乏维生素C引起的典型缺乏症。
- sleep deficiency
Learner notes
Memory Tip
对比'sufficient'（充足的），'de'表否定，deficiency即不充足、缺乏。
Context & Register
[object Object]
Pronunciation & Spelling
Words ending in -iciency share the same stress pattern and final syllable: /ɪˈfɪʃənsi/ (efficiency, proficiency, sufficiency). Be careful with lookalikes like frequency (first-syllable stress) or agency (first-syllable stress).
Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.