International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage

Multilingual Technical Dictionary (MTD)
<<    Browsing page 1 of 12    >>
Term No.Term Name/Term DescriptionAction
4406
Wadder
The wrapping of rope round the collar of the rope spear, or screwing an iron disk on the spear collar in order to cause the rope to pack in the bore hole to give the spear something to grab......
Similar Terms
723
Wadi
1 – A gully or valley, dry except in the rainy season. 2 – Sometimes also a stream running through such a valley.
Similar Terms
6153
Wagon
A trailer with a dump body.
Similar Terms
5971
Wagon drill, Wagon drilling
A drifter mounted on a mast, supported by two or more wheels.
Similar Terms
8322
Wait state
An internal condition of delay in processing time executed by the CPU when a synchronizing control signal is not present. Wait states synchronize the timing of a CPU with the relatively slower access time of the computer’s main memory......
Similar Terms
3031
Wake
System of eddies formed at the point of separation in flow past a solid body when motion in the boundary layer becomes turbulent......
Similar Terms
5844
Wale
Beam, either horizontal or vertical, put in contact with sheeting or other beams to hold them in place.
Similar Terms
5915
Wales, Walers, Rangers, or Waling timbers
The horizontal timbers placed on the face of the plank supporting the walls of an excavation in order to hold them together, and kept in place by struts running from wall to wall......
Similar Terms
5943
Walings
Rigid beams, usually horizontal, used to keep the forms in line, to support the stand, and to avoid necessity of tying every stud. They are bolted through the wall or are braced from outside and the bolts or braces take the load on the studs......
Similar Terms
4369
Walking beam
A heavy hinged arm with a sheave at one end through which the drilling line passes; it provides for the raising and dropping of the tools in percussion drilling......
Similar Terms
5896
Walking-type double-tier formwork
Formwork consisting of two identical panels connected by a bar hinged to the centres of the panels. The vertical shifting of the panels is achieved by a wailing action of the lower panel, that rotates with the bar, about the upper hinge while at the same time rotating 180o about its hinge so as to present its face towards the concrete (illustrated).....
Similar Terms
2446
Walkway
A passageway for pedestrians.
Similar Terms
3064
Wall
The bounding or inside surface of a conduit, manmade or natural, conveying liquid.
Similar Terms
2649
Wall friction
Frictional resistance mobilized between a wall and the soil in contact with the wall.
Similar Terms
5932
Wall plate
The vertical member in a system of raking shores, held against the wall by hooks driven into the mortar joints, and providing support for the heads of the shores......
Similar Terms
3649
Wall ports
Openings in the side walls for water conveyance in or out of the chamber through the wall culverts.
Similar Terms
1931
Wall pressure
Wall pressure is equal to and synonymous with turgor pressure for an isolated cell under equilibrium conditions.
Similar Terms
6754
Wallace’s Line
An imaginary line, passing east of the Philippines, and separating the Orient from Australia.
Similar Terms
8734
Walnut Powder
The powder of the shell of walnut, having a specific gravity of the order of 1.3, that is used to reproduce morphological changes in mobile bed  of physical models. By virtue of its low specific gravity, it would be susceptible to movement due to current sand waves of low magnitudes reproduced in scale models in the laboratory......
Similar Terms
2906
Walton`s rising sill gate
A tilting gate hinged at the base with an additional hinged flap at the downstream end. It is used to admit water into canals when silt is present, it is claimed that by causing a standing wave downstream a given discharge can be obtained under a smaller head than with conventional types of canal head gates and consequently less silt is admitted in.....
Similar Terms
8323
WAN
Wide Area Network, a network that typically spans nationwide distances and usually utilizes public telephone networks.
Similar Terms
8324
Warm start
Restarting a program that has stopped, but without losing any data.
Similar Terms
6964
Warm‑water fishery
Water that has an environment suitable for species of fish other than salmonids.
Similar Terms
5744
Warp
1 - Any distortion of timber from the true or plane surface. 2 - See 1438 and 3396.
Similar Terms
1438
Warp
1 - Bend in a river imposed by external restraint. 2 - Sediment deposited by water, or when alluvial soil is formed; also, a bed or layer of such sediment. 3 - See 3396 and 5744......
Similar Terms
<<    Browsing page 1 of 12    >>