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Irrigation Dictionary : Table of Contents (members login required)\t
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Term No.Term NameTerm Description
7088BactericidalLethal to bacteria. .....
7089BacteriostatA substance that retards or inhibits the growth of bacteria. .....
7454Bacterium (plural - bacteria)Any of several single-celled organisms.  Some are capable of causing disease; others are useful in digestive processes and in decomposition of waste m.....
6389BadlandsMinutely fractured topography developed by rill wash on a series of weak sedimentary rock or deposits of unconsolidated sands, clays, and gravels, usu.....
3708BaffleSee 2862 (illustrated)......
3542Baffle fall, or Baffle dropA fall or drop having a baffle wall or baffle below the notch or orifice or downstream glacis for dissipation of energy of the falling jet (illustrate.....
3543Baffle platformThe platform between the toe of the glacis and the baffle wall provided at a level at which the jump would normally form (illustrated)......
2794Baffle type water sealA water seal formed by constructing a baffle or step in the outlet invert (illustrated)......
2862Baffle wall, or BaffleA cross wall, a set of vanes or guides, a grid, grating or similar device placed in a conduit to check eddy currents below them, and to effect a more .....
3527Baffled outlet pipe dropPipe drop having a baffle wall at its outlet (illustrated)......
2114Bagger, or MeermolmPeaty mud or lake bottom deposit......
4300Bail-plugIn strainer or slotted pipe tubewells, a length of plain pipe with a cap and a lifting hook to close the bottom of the well......
4374Bailer An implement, consisting of a section of pipe with a valve in the bottom and a bail at the top, used for removing drillings from the well......
4427Bailer-testA test of the rate of depression, conducted while boring, to estimate the probable yield from any water-bearing stratum......
8726Bakelite powderThe powder of a polymeric substance having specific gravity of  about 1.4. Used to reproduce morphological changes of mobile beds in physical models. .....
4060BalanceWhen the last irrigator of a main or branch watercourse (canal, flume or pipeline) has completed his turn, the main or branch watercourse is closed of.....
2978Balanced needle valveAn improved design valve without Bull Ring or the annular external ring around the needle. The needle is moved by water pressure from the outlet condu.....
2166Balanced solutionA solution of two or more salts, in such proportions that the toxic effect of the individual salts are naturally eliminated......
4552Balancing chamberA hydraulic chamber in a centrifugal pump to prevent the shaft from bending under the forces exerted on it when the pump is in action......
3186Balancing depthDepth of a canal cross section such that the quantity of excavation is equal to the earthwork required for banks. A term often used during constructio.....
2383Balancing tank, Balancing reservoir, Equilising reservoir, or Compensating reservoir1 - A reservoir subsidiary to the main reservoir for storing excess river water to be utilized during periods of short supply. 2 - See 4554......
4450Baldeo baltiAn ingenious device used to some extent in U.P. (India), consisting of two large boat-shaped buckets of iron hinged on a piece of wood placed on the e.....
7264BalingCompacting solid waste into blocks to reduce volume......
4839Ball valve1 - A small stainless steel or plastic valve containing a ball that can be operated by a lever so as to shift the opening made in the ball along with .....
2990Ball valve, or Rotary valve1 - A device to close a pipe by rotating a sphere in which there is a hole having a diameter equal to that of the pipe, e.g. used at the entrance to a.....
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