Definition of drainage in English:

drainage

noun

mass noun
  • 1The action or process of draining something.

    ‘the pot must have holes in the base for good drainage’
    ‘the drainage of wetlands’
    • ‘Hydrostatic pressure can build up behind a stone wall if there is inadequate drainage at the base.’
    • ‘Ventilation and drainage of their secretions is essential for proper functioning.’
    • ‘Bladder injury during colposuspension requires formal surgical closure and drainage for five days.’
    • ‘Only in the west, on the Isle of Purbeck, did some minor southward drainage develop across the monocline.’
    • ‘A perforated plastic plate was taped over the base of the pots to retain the growth medium and assist drainage.’
    • ‘Pressure inside the eye becomes too high, the result of an obstruction to the normal flow and drainage of fluid.’
    • ‘He employs up to 60 casual labourers at a time for his land drainage business.’
    • ‘The ECB is also considering improving drainage of the outfield as a second phase of the development project.’
    • ‘It has more to do with efficient drainage to the east and inefficient drainage through their community.’
    • ‘The terrain here is flat, and the poor drainage encourages the creation of wetlands and bogs.’
    • ‘However, it extends across the mountain massif to include part of the western flowing Dyfi drainage.’
    • ‘The flow ceases when sufficient drainage has occurred to recover the effective stress.’
    • ‘The main cause of surgical failure is postoperative scarring of the drainage channel and drainage bleb.’
    • ‘The Steinbach field, through better drainage is drier and was quite adequate to play on in the weekend.’
    • ‘The deep ruts were dug to improve drainage so that more of the Yorkshire Dales National Park could be used for agriculture.’
    • ‘He also drove bulldozers that excavated the lands preparing it for drainage.’
    • ‘An improved system has been installed since the course was built and sand is regularly spread over the course to aid drainage.’
    • ‘The establishment of retention ponds to slow the rate of drainage downstream is a possibility.’
    • ‘Over 250 players used the pitches every week but poor drainage has put them out of bounds for the past two seasons.’
    • ‘He used the basic Roman system of strong foundations, with layers of rocks, stones and gravel to aid drainage.’
    oozing, seeping, trickle, trickling, drip, dribble, flow, issuance, discharge, excretion, escape, leak, leakage, drainage, bleeding, sweating, welling, leaching, filtration, percolation, secretion
    1. 1.1A system of drains.
      ‘they set about renewing and repairing drainage and water supplies’
      • ‘These pools can be eliminated by repairs or improvements to the water supply or drainage system.’
      • ‘There are three types of water flow in karst drainage systems: conduit, fissure, and diffuse.’
      • ‘Sewage is slopped out into the surface water drainage system through the roadside gullies.’
      • ‘The same is also true of sewers and drainage systems, many of which were not repaired when they became blocked.’
      • ‘It is building clinics, installing drainage and improving water supplies.’
      • ‘The house has neither drainage nor a water supply, so these will need to be added early in any renovation.’
      • ‘Shrubs and bushes will be used to create the hilltop wetlands by blocking drainage ditches dug by sheep farmers.’
      • ‘Work on the new hurling pitch is progressing very well with drainage being put in at the moment.’
      • ‘Also it is a good idea to provide a bit of the old drainage to the base of the walls before you backfill.’
      • ‘Cut five drainage holes in the base sheet and through each stick a 4cm length of broom handle.’
      • ‘The Environment Agency will also have to approve the hard surface and drainage arrangements.’
      • ‘The higher weir was developed as part of the ongoing River Nore drainage works.’
      • ‘Report on drainage progress will be contained within next month's report.’
      • ‘It appears that more than three million plumbing and drainage emergencies are anticipated this year.’
      • ‘They also said that not enough open space, appropriate drainage or provision for affordable homes was included.’
      • ‘The work being carried out on the JubileePlaying Fields will be to install drainage and level the current pitches.’
      • ‘Residents fear the current plans are too close to their own homes, need additional drainage and create too much traffic.’
      • ‘The drainage consists of a layer of membrane, shaped like egg boxes, laid over the roofing felt, then covered by a foot of soil.’
      • ‘It was literally a farmer's field so it was a case of buying the land and building in changing rooms, drainage and that kind of thing.’
      • ‘New drainage, lighting and an extra passing place will also be added.’
      discharge, emission, release, outflow, outflowing, outpouring, outrush, rush, flood, deluge, spurt, jet, cascade, stream, torrent, gush

Pronunciation

drainage

/ˈdreɪnɪdʒ/