drainage
noun/ˈdɹeɪnəd͡ʒ/
Etymology
Etymology tree Proto-Indo-European *dʰer-der. Proto-Indo-European *dʰrewgʰ-der. Proto-Germanic *draugiz Proto-Germanic *drauhnōną Proto-West Germanic *drauhnōn Old English drēahnian Middle English *dreinen English drain Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus Latin -āticus Latin -āticum Old French -agebor. Middle English -age English -age English drainage From drain + -age.
1
A natural or artificial means for the removal of fluids from a given area by its draining away.
- It should move NR away from previous examples of repairs that have treated the symptoms (fixing the landslip) but not fixed the underlying cause (poor drainage), with the result that a second slip followed.2023 June 14, Philip Haigh, “Landslips: NR strives to turn back the tide”, in RAIL, number 985, page 35:
2
A system of drains.
3
A downward wind.
- In the forward part of the cyclone, drainage katabasis is checked; but its highest intensity is observed in the rear part of the cyclone.1960, N. P. Rusin, “The Radiation Balance of the Snow Surface of Antarctica”, in OG Krichak, editor, Scientific Conference on Problems of Meteorology of the Antarctic (Abstracts of Reports)(USSR)., page 29:
- Derived terms
- air drainage, amniodrainage, cholangiodrainage, downdrainage, drainage area, drainage basin, drainage divide, drainage pipe, drainage system, drainageway, endodrainage, interdrainage, nondrainage, overdrainage, palaeodrainage, paleodrainage, positive drainage, predrainage, redrainage, subdrainage, superdrainage, underdrainage, updrainage