Definition of pipeline in English:

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Pronunciation: /ˈpīpˌlīn/


1A long pipe, typically underground, for conveying oil, gas, etc., over long distances.
Example sentences
  • Stretching over 895 kilometres, the pipeline will convey gas from Mozambican gas fields to South Africa.
  • First, international standards regarding safety distances from pipelines are not being followed in this case.
  • Stress corrosion cracking begins when short, shallow cracks develop on the outer surface of an underground pipeline.
pipe, conduit, main, line, duct, tube
1.1A channel supplying goods or information: the biggest heroin pipeline in history
More example sentences
  • 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.
  • 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.
  • 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.
2 Computing A linear sequence of specialized modules used for pipelining.
Example sentences
  • The nation's two largest cable operators are in the midst of opening up their high-speed pipelines to rival Internet service providers.
  • The chip's software utilises these pipelines for 3D graphics acceleration and to provide video manipulation in 2D mode.
  • When a thread hangs the pipeline, another software thread comes to the rescue and keeps the processor working.
3(In surfing) the hollow formed by the breaking of a large wave.
Example sentences
  • 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.
  • 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.
  • Pipeline rolls in with quick and fast barrels and daredevils surf across the face of the curl.


[with object]
1Convey (a substance) by a pipeline.
2 (often as adjective pipelined) Computing Design or execute (a computer or instruction) using the technique of pipelining.
Example sentences
  • At least one processor has a pipelined instruction execution unit.
  • 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.


in the pipeline

Awaiting completion or processing; being developed: new treatments are in the pipeline
More example sentences
  • He said there were further plans in the pipeline to develop the Heversham site for community and educational use.
  • Plans are in the pipeline to develop ports at Harwich, Southampton and Teesport.
  • Humphrys himself still seems to have plenty of plans in the pipeline.
on the way, coming, forthcoming, upcoming, imminent, about to happen, near, close, brewing, in the offing, in the wind

For editors and proofreaders

Syllabification: pipe·line

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