ICID-MTD

Multilingual Technical Dictionary (MTD)

Irrigation Dictionary : Table of Contents (members login required)\t
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Term No.	Term Name	Term Description
175	t -Distribution, or Student distribution	If x is a normally distributed random variable with zero mean and unit variance, and c2 is a random variable that is independent of x and has a chi-sq.....
194	t-Test, or Student`s test	A test based on the distribution known as Student`s or t-distribution......
4453	Tabba, or Taboot	An Egyptian water lifting device for lifts midway between those of sakia and zawafa; actually a rim discharge sakia......
104	Table	A condensed collection and arrangement of related numbers, their developed values or other items assembled in some definite order, as a table of logar.....
291	Tabular drawing	The drawing, either assembly or detail, where the dimension lines are given reference letters and an accompanying table on the drawing lists the corre.....
8568	Tactics	The elaboration of programmes into specific projects......
6127	Tag line	A small cable under tension that keeps the bucket from spinning, swaying, twisting, or drifting......
6780	Taiga	Flat, marshy subarctic forest, usually of spruce, firs or pine trees. The area between the tundra and the steppe or between tundra and deciduous fores.....
3292	Tail	1 - The end of a canal. 2 - The term is also applied to the work constructed at the end of a canal for the distribution of water thereat......
3663	Tail cluster	Two or more outlets at the tail of a distributing channel (illustrated)......
8702	Tail control	A device to control the water slope and level at the end of a model by either a mechanically operated gate or some other arrangements......
4055	Tail drain, or Waste ditch	A furrow or small ditch at the lower edge of an irrigated field for collecting surplus water for either removal or redistribution......
3572	Tail escape	1 - An escape built at the tail of a canal to discharge surplus water to maintain the required full supply level, to scour the silt deposited in, and/.....
3614	Tail gates, Outer gates, or Lower gates	Lock gates on the lower water-level side of the lock......
3406	Tail inlet transition	The transitions provided upstream of a tail structure or at the tail end of, and contained within, the conduit length......
3407	Tail outlet transition	The transitions provided partly or wholly downstream of a tail structure or tail end of a conduit......
2694	Tail race, or After-bay	A channel conducting water away from a water wheel or water turbine at the end......
3291	Tail reach	The last reach of a canal, i.e. the portion from the last control point to the tail......
3588	Tail regulator, or Outfall regulator	Regulator built at the outfall or tail of a waste channel......
3666	Tail tank	A reservoir supplied with water from a canal whenever in excess of canal requirements, having its own command and usually situated near the tail of a .....
4647	Tail tank	A reservoir having water supply from a canal when the flow conveyed is in excess of the requirements. The tank situated near the tail of the canal sup.....
3405	Tail transitions	A transition or system of transitions provided at the tail end of a conduit or at a tail structure......
3705	Tail wall	A wall of masonry or concrete built at the downstream end of an outlet, containing the exit opening of the orifice or trough discharging into the deli.....
1575	Tail water erosion	Linear erosion due to disturbance in sediment movement towards downstream, resulting in depletion of sediments required to reach the transportation ca.....
3995	Tail-enders	Farmers having their fields/farms located far away towards the tail or end of a water distribution channel in an irrigation system, thereby being susc.....

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The Multilingual Technical Dictionary (MTD) is an e-dictionary of all technical terms related to irrigation, drainage, flood management, environment, river training, and allied disciplines of the water sector. Any term/ definition can be printed/copied with the option to download/updates of terms from the ICID website. The MTD enriches the process of sharing and exchange of experiences and has proven to be highly useful for engineers, researchers, students, professionals, planners, designers, academics and all others related to the field of irrigation and drainage. It is more helpful for professionals outside the water sector, in simplifying the technical jargon and to understand the sectoral nuances easily.

As part of ICID's flagship activity, it was first published in English and French languages in 1967, the – 4^th edition of the MTD (English-French) was brought out on CD-ROM in the year 2002. Currently, we are following the 5^th edition released in 2009, which defines 9,370 technical terms in Chinese, Japanese and Russian, besides English and French. This online version of MTD is based on the 5th edition's DVD format. This version includes 9370 technical terms with matching English and French translation. The DVD version also includes terms collected in Chinese, Japanese and Russian languages with the active support received from respective National Committees. However, full integration with online versions has not taken place due to the difference in available translation editions/ versions. National Committees of Iran, China, Japan, Russia, Korea, and India are working on the translation/ updating part to match the present online version.