ceiling
Longman Dictionary of Contemporary English 5++LDOCE 5++cei·ling /ˈsiːlɪŋ/ ●●● S3 W3 noun [countable] 1 TBBthe inner surface of the top part of a room 天花板 → roof rooms with high ceilings 天花板很高的房间 a light hanging from the ceiling 吊在天花板上的灯2 LIMITthe largest number or amount of something that is officially allowed 上限，最高限度ceiling of a public spending ceiling of £240 billion 上限为2,400亿英镑的公共开支impose/set/put a ceiling (on something) The government imposed a ceiling on imports of foreign cars. 政府对进口外国汽车的数量设了上限。raise/lower the ceiling (on something) 提高/下调（某事物的）上限3. TTA technical the greatest height an aircraft can fly at or the level of the clouds 最大飞行高度，升限；云幕高度 → glass ceiling
Examples from the Corpus
ceiling• There is a ceiling on the amount of foreign investment allowed in any company in the country.• The wooden beams and ceiling were crackling in the extreme heat.• Windows were shattered and ceilings cracked in several nearby towns.• The walls and ceilings were black, and the sole illumination was provided by black candles set in empty cat food cans.• But the tour revealed that the building has retained many treasures from its past: Its cathedral ceilings still have rounded corners.• Congress was once again considering raising the federal debt ceiling.• Millions of federal employees may not receive paychecks unless Congress raises the debt ceiling.• Import quotas may rise from the present ceiling of 18.5 million to 20 million.• Genius is Michelangelo at work on the Sistine ceiling.• Benny found herself in a rock-walled tunnel, with bare bulbs hanging from the ceiling at regular intervals.• And heaped up in one corner, almost touching the ceiling, was a huge pile of junk.• The ossuary inside the sanctuary is square with a vaulted ceiling.impose/set/put a ceiling (on something)• We know the MiG-2s already set a ceiling record of 120,000 feet.• It often pays the artist to try and put a ceiling figure on these expenses.• The Chancellor has set a ceiling of £250,000.• We will issue factories and power stations with licences setting a ceiling on permitted emissions of pollutants.• The regulations set a ceiling of 15 parts per billion.• So they risk losing most potential economic growth if a climate treaty sets ceilings on emissions.From Longman Business Dictionaryceilingcei‧ling /ˈsiːlɪŋ/ noun [countable] the largest level, amount, or number of something that is officially allowedOil price ceilings remained in place for a decade.the strict spending ceilings imposed by last year’s budgetWage ceilings needed to be introduced and the state pension scheme overhauled.ceiling onThe new government set a ceiling on prices for basic foodstuffs. → see also glass ceilingOrigin ceiling (1500-1600) ceil “to provide with a ceiling” ((16-20 centuries)), probably from Latin caelare “to cut into a surface”cei·ling nounChineseSyllable
Business a the inner the surface of Corpus top part of
ceiling
cei‧ling S3 W3 /ˈsiːlɪŋ/
noun [countable]
rooms with high ceilings
a light hanging from the ceiling
2. the largest number or amount of something that is officially allowed
ceiling of
a public spending ceiling of £240 billion
impose/set/put a ceiling (on something)
The government imposed a ceiling on imports of foreign cars.
raise/lower the ceiling (on something)
3. technical the greatest height an aircraft can fly at or the level of the clouds
⇨ glass ceiling
▪ limit the highest number, speed, temperature etc that is allowed by a law or rule: He borrowed money up to the limit that the bank allowed. | The speed limit is 65 m.p.h. | There’s no limit on the amount of money that may be brought into the US. | Pollution levels are over the official limit. | Some families set limits on how much they spend on each other’s Christmas present.
▪restrictions rules or laws that strictly control what you are allowed to do: Travel restrictions might reduce the spread of the disease. | Unions are pressing for restrictions on steel imports from Japan. | Because of restrictions on reporting, newspapers were not allowed to cover the story. | New restrictions have been imposed on immigration.
▪limitations limits on what a person or thing is able to do – used especially when you would like to be able to do more: The president was unwilling to accept limitations on his power. | the limitations of the computer system | Hikers should know their physical limitations and not take unnecessary risks.
▪constraints facts or conditions that limit what you can do, for example not having enough time, money etc: Financial constraints are forcing many people in their twenties to live with their parents. | The last part of the show had to be cut because of time constraints. | The constraints of prison life are sometimes too much for people to bear.
▪maximum the largest number or amount that is possible, normal, or allowed: Classes have a maximum of twenty students. | What’s the maximum you can earn before you have to pay tax?
▪minimum the smallest number or amount that is possible or allowed: He was sentenced to a minimum of 25 years in prison. | Our aim is to reduce the number of accidents to an absolute minimum.
▪ceiling the largest number or amount of something that is officially allowed: There is a ceiling on the amount of foreign investment. | Import quotas may rise from the present ceiling of 18.5 million to 20 million. | Congress was once again considering raising the federal debt ceiling.
cei‧ling S3 W3 /ˈsiːlɪŋ/
noun [countable] Date: 1500-1600
Origin: ceil 'to provide with a ceiling' (16-20 centuries), probably from Latin caelare 'to cut into a surface'
1. the inner surface of the top part of a room ⇨ roof:Origin: ceil 'to provide with a ceiling' (16-20 centuries), probably from Latin caelare 'to cut into a surface'
2. the largest number or amount of something that is officially allowed
ceiling of
impose/set/put a ceiling (on something)
raise/lower the ceiling (on something)
3. technical the greatest height an aircraft can fly at or the level of the clouds
⇨ glass ceiling
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