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| Terms for subject Environment (5878 entries) |
| water well (A well sunk to extract water from a zone of saturation) | بئر ماء | |
| watercourse (A natural stream arising in a given drainage basin but not wholly dependent for its flow on surface drainage in its immediate area, flowing in a channel with a well-defined bed between visible banks or through a definite depression in the land, having a definite and permanent or periodic supply of water, and usually, but not necessarily, having a perceptible current in a particular direction and discharging at a fixed point into another body of water) | مسار المياه | |
| waterfall (A perpendicular or steep descent of the water of a stream, as where it crosses an outcrop of resistant rock overhanging softer rock that has been eroded or flows over the edge of a plateau of cliffed coast) | شلال | |
| waterfowl (Aquatic birds which constitute the order Anseriformes, including the swans, ducks, geese, and screamers) | الطيور المائية | |
| waterlogged land (Waterlogging is an effect of canal irrigation; it occurs when the water table rises to within 3 meters of a crop's roots, impeding their ability to absorb oxygen and ultimately compromising crop yields. Many factors contribute to waterlogging. These include inadequate drainage, improper balance in the use of groundwater and surface water, seepage and percolation from unlined channels, overwatering, planting crops not suited to specific soils, and inadequate preparation of land before irrigation) | أرض مشبعة بالماء | |
| watershed (The dividing line between two adjacent river systems, such as a ridge) | مسقط ماء | |
| watershed management (Use, regulation and treatment of water and land resources of a watershed to accomplish stated objectives) | إدارة المساقط المائية | |
| waterside development (Any physical extension of, or changes to, the uses of land in waterfront areas) | تنمية الشطآن | |
| waterway (A river, canal, or other navigable channel used as a means of travel or transport) | مجرى مائي | |
| waterworks (Plant for treating and purifying water before it is pumped into pipes for distribution to houses, factories, schools, etc.) | شركة توزيع المياه | |
| wave energy (Power extracted from the motion of sea waves at the coast) | طاقة الأمواج | |
| weakly degradable substance (A substance that is not easily converted to another, usually less complex compound) | مادة ضغيفة التحلل | |
| weapon (An instrument of attack or defense in combat, as a gun, missile, or sword) | سلاح | |
| weather (The day-to-day meteorological conditions, especially temperature, cloudiness, and rainfall, affecting a specific place) | جو | |
| weather condition (The complex of meteorological characteristics in a given region) | الظروف الجوية | |
| weather forecasting (The act or process of predicting and highlighting meteorological conditions that are expected for a specific time period and for a specific area or portion of air space, by using objective models based on certain atmospheric parameters, along with the skill and experience of a meteorologist) | التنبوء الجوي | |
| weather modification (The changing of natural weather phenomena by technical means) | تعديل حالة الجو | |
| weather monitoring (The periodic or continuous surveillance or analysis of the state of the atmosphere and climate, including variables such as temperature, moisture, wind velocity and barometric pressure) | مراقبة الحالة الجوية | |
| weed (Any plant that grows wild and profusely, especially one that grows among cultivated plants, depriving them of space, food, etc.) | الأعشاب الضارة | |
| weed (a) | عشب (ا) |