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TOEFL IELTS BNC: 2050 COCA: 2776

boundary

Related topics: Cricket
bound·a·ry /ˈbaʊndəri/ ●●○ noun (plural boundaries)  
1  EDGE[countableC] the real or imaginary line that marks the edge of a state, country etc, or the edge of an area of land that belongs to someone 分界线；边界
boundary between
 The Mississippi River forms a natural boundary between Iowa and Illinois.
密西西比河是艾奥瓦州和伊利诺伊州的天然边界。
 National boundaries are becoming increasingly meaningless in the global economy.
在全球经济中，国界已经变得越来越没有意义。
 We would need their agreement to build outside the city boundary.
我们在市界以外的地方建房需要他们批准。
 The stream curves round to mark the boundary of his property.
小河打了个弯，为他这块地划出了边界。
 Anything that crosses the boundary of a black hole cannot get back.
任何物质只要跨越黑洞的界线就再也无法出来。
 We walked through the churchyard towards the boundary wall.
我们穿过教堂墓地，向院墙走去。
 The property’s boundary line is 25 feet from the back of the house.
这块地产的边界线在屋后25英尺的地方。
 boundary disputes between neighbouring countries
邻国之间的边界争端
► see thesaurus at border
2  LIMIT[countableC usually plural]LIMIT the limit of what is acceptable or thought to be possible 限度，界限，极限
boundary of
 the boundaries of human knowledge
人类知识的极限
within/beyond the boundaries of something
 within the boundaries of the law
在法律许可的范围内
push back the boundaries (of something) (=to make a new discovery, work of art etc that is very different from what people have known before, and that changes the way they think) 扩大（某事物的）范围
 art that pushes back the boundaries
突破界限的艺术
3  BETWEEN FEELINGS/QUALITIES ETC[countableC]LIMIT the point at which one feeling, idea, quality etc stops and another starts 〔不同情感、思想、品质等之间的〕分野，分界线
boundary of/between
 the boundaries between work and play
工作和娱乐之间的界线
 the blurring of the boundaries between high and popular culture
高雅文化和通俗文化之间界线的模糊
4. CRICKET[countableC]DSC the outer limit of the playing area in cricket, or a shot that sends the ball across this limit for extra points 〔板球场的〕边界线；越过边界线的加分球
n COLLOCATIONS
ADJECTIVES/NOUN + boundary
national/state boundaries (=boundaries between countries or states)
Big companies usually aim to expand outside national boundaries.
international boundaries (=boundaries between countries all over the world)
About 10% of hazardous waste is shipped across international boundaries.
a city boundary
The new housing estates stretch beyond the old city boundaries.
the northern/southern etc boundary (=of an area or city)
the southern boundary of San Francisco
a geographical boundary
Today satellite communications cross all geographical boundaries.
a political boundary
Reforms could extend the geographical and political boundaries of the EU.
a natural boundary (=a river, line of mountains etc that form a boundary)
Here, the Andes form a natural boundary between Argentina and Chile.
verbs
mark/form a boundary
The river Jordan marks the boundary between Israel and Jordan.
cross/transcend a boundary
These are practical problems that cross political boundaries.
boundary + NOUN
a boundary wall/fence
The boundary wall was about twenty foot high.
a boundary line
There was some disagreement about the exact position of the boundary line.
a boundary dispute (=a disagreement about where a boundary should be, for example between neighbours)
We had to hire a lawyer to sort out the boundary dispute.
Examples from the Corpus
boundary• The good news is that many lenders will cross city boundaries if asked.• More and more people are moving outside the city boundaries.• Open-enrollment charter schools draw students from across school district boundaries and are financed with state and local school dollars.• the easternmost boundary of Greater Manchester• These photographs were obtained by illuminating a very thin layer of a smoke-filled boundary layer.• The Mississippi River forms a natural boundary between Iowa and Illinois.• A fence marks the property's boundaries.• Politicians drew strangely shaped boundaries, in order to give themselves an advantage in the next election.• The Mississippi River forms the boundary between Tennessee and Arkansas.• The boundaries for the Snowdonia National Park run round the edge of Penrhyn, which covers six square miles.• The boundaries laid down followed fairly closely those of the perambulation of 1300.
boundary disputes• In January 1864 he was appointed commissioner for the settlement of boundary disputes between the states of Baroda and Jamnagar.
push back the boundaries (of something)• It has, by pushing back the boundaries of human knowledge, given us much that has enriched our lives.• The magic word Literacy campaigns push back the boundaries of ignorance and give people more chance of controlling their own destiny.• A brilliant word-processor proving shareware can push back the boundaries of software value for money.• Female speaker I like them because they push back the boundaries.• They've pushed back the boundaries which were limiting the business.
boundary of/between• Cataloged below are some traits I believe a networked-based economy would exhibit: Distributed CoresThe boundaries of a company blur to obscurity.• So we have crossed a 219 minimum of four boundaries between opposite colors.• Another way of getting at the question of disciplinary spaces is to ask about the boundaries of the discipline.• Section 5.4 is also interesting because the problem it raises cuts across the boundaries of linguistically defined levels of analysis.• Frequently, the support teacher becomes the source of all forms of support as the boundaries between education and counselling are blurred.• It may not actually lie in the water, but it still lies within the boundary of the lateral water hazard.• the boundary between lust and love• The boundary between office and home is thinning to transparency in the information era.• Kids find themselves sitting on the threatening boundaries of the classroom.
Origin boundary
(1600-1700) → BOUND41
bound·a·ry noun →n COLLOCATIONS1
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