Definition of pipeline in English:



  • 1A long pipe, typically underground, for conveying oil, gas, etc., over long distances.

    • ‘Just as pipelines arm conflict, they also create it.’
    • ‘I would say, for example, the most important thing is to keep the oil pipeline intact because of the revenue that generates.’
    • ‘This would be used to pump air to the tunnel digger via a nested tin can pipeline buried along one side of the tunnel floor.’
    • ‘Generators may accumulate extra current, causing transformers to burn out, and large currents may build up in power pipelines causing corrosive damage.’
    • ‘Stress corrosion cracking begins when short, shallow cracks develop on the outer surface of an underground pipeline.’
    • ‘This would significantly benefit Russia, which seeks dominance over Caspian oil exports and desires pipelines to run through territory under their control.’
    • ‘This is because part of the existing East Rail line will be diverted on to new track that has been sandwiched between the existing live railway and the main pipelines carrying water from China.’
    • ‘If I was living 70 metres away from that pipeline I would not be happy.’
    • ‘It followed one on Saturday that set a gas pipeline ablaze in the western desert and which Oil Ministry officials said was due to sabotage.’
    • ‘In another chapter, he says the real pipeline the United States is pushing for runs from the Caspian oil to the Mediterranean coast of Turkey, wisely missing the Black Sea.’
    • ‘There was a sabotage of the oil pipelines a few days ago, now this.’
    • ‘First, international standards regarding safety distances from pipelines are not being followed in this case.’
    • ‘Stretching over 895 kilometres, the pipeline will convey gas from Mozambican gas fields to South Africa.’
    • ‘Underground pipelines were used to transport the material to market in Alberta and Eastern Canada.’
    • ‘But power loss at WASA's Caroni Water Treatment Plant Water left pipelines unserviceable across an amazing geographic range.’
    • ‘It is believed there was a fault in the underground pipeline which caused aviation fuel to seep out.’
    • ‘Should you need something for your pipeline or underground work, take a look here.’
    • ‘Building roads, widening of roads, laying underground cables or pipelines - for all such work, trees are a big hurdle!’
    • ‘Yesterday an explosion ripped open an oil pipeline north west of Kirkuk.’
    • ‘Transporting the waste gas needs pipelines five times bigger than our existing natural gas network.’
    pipe, conduit, main, line, duct, channel, tube, conveyor
    View synonyms
    1. 1.1A channel supplying goods or information.
      ‘the biggest heroin pipeline in history’
      • ‘An update in July signalled a ‘strong’ sales pipeline, profits running in line with expectations and over £2m in net cash.’
      • ‘In order to keep up with projected growth and current manning demands, the SF training pipeline itself must expand.’
      • ‘In fact, people in all areas of college life should be pulling for those involved since the pipeline needs to supply competent students for all of the other programs.’
      • ‘In the case of GSK, that pipeline amounts to some 118 new projects, which includes 56 products in development.’
      • ‘He said the product's sales pipeline had doubled and presented the group with its main opportunity to achieve growth.’
      • ‘But the market expects little new information from the drug pipeline until late October, when Elan next releases quarterly results.’
      • ‘The key to producing consistent and predictable sales numbers is creating, growing, and nurturing a healthy sales pipeline.’
      • ‘Another raft of network and cable TV series came down pilot pipeline this spring, and Hollywood and Madison Avenue's bets appeared again to be oddly placed.’
      • ‘There simply aren't enough workers behind them in the labor supply pipeline to fill their jobs.’
      • ‘Mr Snoswell said the bulky-goods sector dominated the retail supply pipeline but the regional and neighbourhood markets were not far behind.’
      • ‘The information pipeline is another reason for investor poise.’
      • ‘The joint distribution C2 element will not be a warehouse and will not maintain stocks; its purpose will be to move supplies through the pipeline.’
      • ‘With a paper-based supply system and that many containers in theater, the biggest bottleneck in the logistics pipeline occurred where the supplies came off the ships.’
      • ‘Adobe gives Acobat away for free, and thereby it owns an important information pipeline by helping the world to share.’
      • ‘However, he said the company's overall sales pipeline had not materially diminished, and the company would launch a range of new products this year.’
      • ‘While many of these products use the Internet as an information pipeline, letting employees go on to the Web in search of great deals may not be a good idea.’
      • ‘To keep their product pipelines robust, medical device manufacturers must constantly develop new products and upgrade products already approved for marketing.’
      • ‘Developers find it hard in Manchester and Leeds, where a lot of supply exists and there are pipelines of new homes.’
      • ‘The conversations were a testament to Joel's pipeline of information and the esteem in which he was held.’
  • 2Computing
    A linear sequence of specialized modules used for pipelining.

    • ‘The chip's software utilises these pipelines for 3D graphics acceleration and to provide video manipulation in 2D mode.’
    • ‘The nation's two largest cable operators are in the midst of opening up their high-speed pipelines to rival Internet service providers.’
    • ‘Applications vendors will decide what the geometry and pixel pipelines look like.’
    • ‘When a thread hangs the pipeline, another software thread comes to the rescue and keeps the processor working.’
    • ‘Both types of graphics cards are based on the same R420 chip, but with different number of pixel pipelines enabled.’
  • 3(in surfing) the hollow formed by the breaking of a large wave.

    • ‘Pipeline rolls in with quick and fast barrels and daredevils surf across the face of the curl.’
    • ‘And just out of nowhere in the last 30 seconds or so, a big wave reared up on the outside reef at pipeline, and I was watching from the beach going you know, maybe he's in the spot.’
    • ‘There is a heightened excitement to the last of the three as a pipeline of wave forms to the extreme right of the frame, holds its crest in the middle and crashes to the left in an explosion of spume.’


  • 1Convey (a substance) by a pipeline.

  • 2Computing
    Design or execute (a computer or instruction) using the technique of pipelining.

    • ‘As a result, the latencies grow much lower and the requests can be deeply pipelined.’
    • ‘At least one processor has a pipelined instruction execution unit.’
    • ‘In deeply pipelined central processing unit architecture instruction fetches may precede execution by several processor cycles.’
    • ‘A longer pipeline and increased execution latency increases any instruction's wait to be processed, requiring a larger buffer than in a less pipelined CPU.’
    • ‘Thanks to the shorter pipeline, this isn't as noticeable as it would be for the longer pipelined Pentium 4.’