| Term No. | Term Name | Term Description |
| 8670 | Kalman-filter | A linear system in which the mean-squared error between the desired output and the actual output is minimized when the input is a random signal genera..... |
| 8843 | Kanat, Foggara, Karez (used in Baluchistan), Rhettara (used in Morocco), or Qanat (used in Iran) | Subsurface gallery for water supply starting from below the water table and sloping downwards to the ground surface with a gradient flatter than both ..... |
| 5511 | Kankar, Bloc kankar, Nodular kankar | A nodular variety of limestone that is of spongy nature, containing some quantity of clayey and siliceous matter. It is found either in layers or bloc..... |
| 5461 | Kaolin, China clay, or Porcelain clay | A white clay, essentially hydrated aluminium silicate, resulting from the decomposition of feldsparic rocks...... |
| 5460 | Kaolinite | A group of clay minerals, crystallizing in the monoclinic system, with chemical formula 2SiO2, Al2O3,2H2O and occurring as minute equidimensional flak..... |
| 4516 | Kaplan pump | A propeller type pump having adjustable blade impeller...... |
| 8754 | Karman street, or Karman vortex trail | The trail of vortices occurring in the wake of a body, after boundary layer separation has taken place...... |
| 2133 | Katteklei | A Dutch term. Iron sulphide containing material formed from brackish-water clay as the result of the oxidation of iron sulphate which gave acid and ir..... |
| 8191 | kbps (kilobits per second) | A unit of data rate where 1 kb/s = 1000 bits per second. This contrasts with units of storage where 1 Kb = 1024 bits (note upper case K)...... |
| 4335 | Kelly, or Grief stem | The uppermost joint of the drill string, square or hexagonal in cross-section, rather than circular, which permits the string to be rotated by the rot..... |
| 4336 | Kellydrive bushing | A cylindrical connection or drive with two lugs on opposite sides, between the kelly and the drill...... |
| 1210 | Kelvin tube | A device for measuring the depth of water, consisting of a glass tube with a chemical inside fixed in a lead tube. It is thrown into the water and tak..... |
| 3143 | Kennedy`s equation | An empirical equation that applies to channels with erodible boundaries in alluvial soils carrying small sediment loads expressed as Vo = 0.55 db0.64 ..... |
| 3817 | Kerb inlet, or Scupper | Apertures at the bottom of the kerb face to dispose of rain water...... |
| 3816 | Kerb, Kirb, Curb, Wheel guards, Fender curbs | 1 - Raised strips on the sides of the roadway width of a bridge for use by pedestrian traffic and also for confining vehicular traffic within the road..... |
| 8485 | Kernel | The essential part of Unix or other operating systems, responsible for resource allocation, low-level hardware interfaces, security etc. See also micr..... |
| 2553 | Key wall | A cutoff wall extending from the cutoff trench into the bed rock or the impervious subsurface stratum...... |
| 2515 | Key way, or Offset | Indentation or projection of some geometrical shape built or formed into poured surfaces to provide a degree of integral action with subsequent struct..... |
| 8373 | Keyboard | A peripheral device consisting of alphanumerics, punctuation marks, and other special function keys that are mechanically arranged to allow the entry ..... |
| 9326 | Keystone Species | A species that has a central servicing role affecting many other organisms and whose demise is likely to result in the loss of a number of species and..... |
| 4454 | Kharbauwy | An Egyptian water lifting device used in areas where the lift is from 0.6 to 1.0 metre. It is an improved paddle wheel worked by animal power. Instead..... |
| 3984 | Kharif crop (Bangladesh, India and Pakistan) | Summer crop or monsoon crop...... |
| 4446 | Kili | A term used in India for a system of working the rope-and-bucket lift. In this system, the rope is fastened to the yoke by a wedge and when the cattle..... |
| 737 | Killing frost, Ground frost (UK) | A freezing condition sufficiently injurious to vegetation to end the growing season. In the United Kingdom this is considered to have occurred when a ..... |
| 8740 | Kinematic similarity | Similarity of motion. When the ratios of the components of velocity at all homologous points in two geometrically similar systems are equal, the two s..... |
