| Term No. | Term Name | Term Description |
| 9029 | Package job contract, or Turn-key contract | A contract in which the government or organization undertaking a construction project, makes only one party responsible for all services connected wit..... |
| 2485 | Packer grouting | The use of expandable implements to isolate sections of a grout hole thereby enabling the application of grout to a portion of the hole only...... |
| 8242 | Packet | An ordered group of data and control signals transmitted through a network as a subset of a larger message...... |
| 8241 | Packet switching | Method of sending messages or data in uniform-sized packet...... |
| 3109 | Packing coefficient | A parameter in sediment-transportation theory defined as d2 times the number of grains per unit of area, when d is the diameter of the grain...... |
| 4587 | Paddle | One of the broad boards, or flats, at the circumference of a water wheel...... |
| 4439 | Paddle wheel | A simple device operated by persons treading on foot treadles, with arms and upper part of the body supported on a bamboo frame, for the watering and ..... |
| 4928 | Paddy | 1- A specially irrigated or flooded field where rice is grown. 2- Rice in general, especially in the husk, whether gathered or still in the field...... |
| 5751 | Paint | 1 - A liquid coating material usually with pigment that is spread to a dry, thin film for protection or decoration or both on a surface. 2 - To cover ..... |
| 5793 | Painter`s putty, Glazier`s putty, Putty compound, or Glazing compound | A mixture of whiting and linseed oil, sometimes including whitelead, forming a plastic substance used to fill small cracks or depressions or seal arou..... |
| 3891 | Paired-obstacle fishway | A fishway that consists of a sloping rectangular channel with baffles or obstacles in opposed pairs, spaced along the channel at intervals approximate..... |
| 6751 | Palearctic | Zoogeographical region that includes Europe, all of Asia except its southern projections, and Northern Africa...... |
| 6572 | Paleoecology | Ecological studies of the past based on evidence collected from fossil remains. ..... |
| 1260 | Paleolimnology | Studies of lake ecosystems based on evidence collected from preserved lake mud...... |
| 717 | Palmer Drought Severity Index | An index used to gage the severity of drought conditions by using a water balance equation to track water supply and demand. ..... |
| 8243 | Palmtop | A small general-purpose, programmable, battery-powered computer cabable of handling both numbers and text (in contrast to most pocket calculators) whi..... |
| 6670 | Paludal | Of or relating to marshes or fens. ..... |
| 7687 | Paludolac | Referring to a lake that has degenerated into a swampy condition with little or no open water remaining; a stage in the evolution of a lake from open ..... |
| 6671 | Palustrine | Living in a marsh or swamp environment...... |
| 7652 | Pan | A horizon or layer in soil that is strongly compacted, indurated, or very high in clay content; e.g., iron pan, clay pan...... |
| 895 | Pan coefficient, or Conversion coefficient | The ratio of evaporation from a large body of water to that from a pan...... |
| 4981 | Pan evaporation | Evaporation from the free water surface of any one of the several devices (pans). Standard conditions for a pan may include size (often about 1 square..... |
| 6078 | Pan mixer | A machine for mixing concrete, of particular low line and compact design...... |
| 5884 | Panel | A compartment, a distinct portion, or a section of shuttering; usually required to be re-used...... |
| 2218 | Panel wall | A non-bearing partition between columns and/or piers. In irrigation context it is a distinct wall in between the two supports or either ends...... |
