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TOEFL IELTS BNC: 5526 COCA: 4930

vacuum

Word family
Related topics: Physics, Cleaning
vac·u·um1 /ˈvækjuəm, -kjʊm/ ●●○ noun  
1. [countableC]HPEMPTY a space that is completely empty of all gas, especially one from which all the air has been taken away 真空4  See picture on 见图 Page A3 Cleaning 清洁;打扫
2. [countableC]DHC a vacuum cleaner 真空吸尘器
3 [singular]NOT HAVE a situation in which someone or something is missing or lacking 空白;空虚
create/leave a vacuum (in something)
 Her husband’s death left a vacuum in her life.
丈夫的去世使她的生活变得空虚。
power/political/moral etc vacuum
 the political vacuum caused by the ban on Communist Party activity
禁止共产党活动引发的政治真空状态
4 in a vacuum SEPARATEexisting completely separately from other people or things and having no connection with them 在封闭状态中;与外界隔绝
 The process of learning a language does not take place in a vacuum.
学习语言的过程在封闭状态下无法进行。
Examples from the Corpus
nCOLLOCATIONSMeaning 3: a situation in which someone or something is missing or lacking
verbs
create a vacuum
His sudden departure created a vacuum at the head of the company.
leave a vacuum
The disappearance of religious beliefs has left a vacuum in many people's lives.
fill a vacuum
What political ideas have filled the vacuum left by the fall of communism?
adjectivesADJECTIVES/NOUN + vacuum
a power vacuum
The leader's sudden death created a power vacuum.
a political vacuum
Military leaders stepped in to fill the political vacuum.
a moral vacuum (=a lack of moral standards)
Many children are growing up in a moral vacuum.
a policy vacuum
There is a policy vacuum on climate change.
Examples from the Corpus
Related topics: Cleaning
vacuum2 ●●○ verb [intransitiveI, transitiveT]  
DHCto clean using a vacuum cleaner 用真空吸尘器打扫[清洁]5 see picture at 见图 clean2
Examples from the Corpus
Origin vacuum1
(1500-1600) Latin vacuus; → VACUOUS
vac·u·um1 nounn COLLOCATIONS1vacuum2 verb
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