drainage by an underground system of drains, as in agriculture
underdrainage in American English
(ˈundərˌdreinɪdʒ)
noun
drainage of agricultural lands and removal of excess water and of alkali by drains buried beneath the surface
Word origin
[1800–10; under- + drainage]This word is first recorded in the period 1800–10. Other words that entered Englishat around the same time include: Caucasian, isolate, peripheral, pueblo, sodiumunder- is a prefixal use of under, as to indicate place or situation below or beneath (underbrush; undertow); lower in grade or dignity (undersheriff; understudy); of lesser degree, extent, or amount (undersized); or insufficiency (underfeed)
Examples of 'underdrainage' in a sentence
underdrainage
No significant differences, however, were noted regarding underdrainage complications.
Romy Scholz, Johannes Lemcke, Ullrich Meier, Dirk Stengel 2018, 'Efficacy and safety of programmable compared with fixed anti-siphon devices for treatingidiopathic normal-pressure hydrocephalus (iNPH) in adults – SYGRAVA: study protocolfor a randomized trial', Trialshttp://link.springer.com/article/10.1186/s13063-018-2951-6. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Underdrainage or overdrainage of shunts each resulted in revisions for 2 (6.1%) patients.
Michael M. McDowell, Michael C. Chiang, Nitin Agarwal, Robert M. Friedlander, DanielA. Wecht 2018, 'Exclusive use of fixed pressure valves for cerebrospinal fluid diversion in a modernadult cohort', Heliyonhttp://www.sciencedirect.com/science/article/pii/S2405844018361735. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both overdrainage or underdrainage were found to be rare indications for revision.
Michael M. McDowell, Michael C. Chiang, Nitin Agarwal, Robert M. Friedlander, DanielA. Wecht 2018, 'Exclusive use of fixed pressure valves for cerebrospinal fluid diversion in a modernadult cohort', Heliyonhttp://www.sciencedirect.com/science/article/pii/S2405844018361735. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, revision incidence and mortality are very high due to infection, overdrainage or underdrainage, and obstruction.
Erdal Kalkan, Mustafa Kemal Ilik, Fatih Erdi, Bulent Kaya 2014, 'Hydrothorax Development after Ventriculopleural Shunt in a Patient with PeritoneumAbsorption Dysfunction', Çukurova Üniversitesi Tıp Fakültesi Dergisihttp://www.scopemed.org/fulltextpdf.php?mno=157436. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)