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| Terms for subject Environment (31552 entries) |
| désalination | desalinisation or desalination | |
| désastre géologique | geological disaster (Disasters caused by movements and deformation of the earth's crust) | |
| désastre hydrologique | hydrologic disaster | |
| désastre pétrolier | oil disaster | |
| désastre pétrolier | oil disaster (The disaster caused by the dumping and accidental spillage of oil into waterways from ships and land-based or offshore installations. Oil pollution may destroy or damage aquatic life and wildlife such as birds, contaminate water supplies and create fire hazards) | |
| descendant | decay product | |
| descendant | decay product (An isotope formed by the radioactive decay of some other isotope. This newly formed isotope possesses physical and chemical properties that are different from those of its parent isotope, and may also be radioactive) | |
| deschampsie du bassin du Mackenzie | Mackenzie hairgrass | |
| descriptif | status plan | |
| désembuage | demister | |
| désémulsionneur | demulsifying agent | |
| désencrage | de-inking (Series of processes by which various types of printing inks are removed from paper fibre pulp during the pre-processing and recycling of recovered paper products. Particularly necessary where high quality and whiteness of the finished product are required) | |
| désencrage par flottation | de-inking by flotation | |
| désensableur | sand trap | |
| déséquilibre écologique | ecological imbalance | |
| désert | desert varnish | |
| désert | desert (A wide, open, comparatively barren tract of land with few forms of life and little rainfall) | |
| désert hyperaride | hyper-arid desert | |
| désertification | desertification (1. The development of desert conditions as a result of human activity or climatic changes. 2. The process of land damage which allows the soil to spread like a desert in arid and semi-arid regions. There is a loss of vegetative cover and the soil deteriorates in texture, nutrient content and fertility. Desertification affects the lives of three-quarters of the world's population, 70% of all drylands and one quarter of the total land area of the planet. There are many reasons for desertification, but the majority are caused by human activities, overgrazing, deforestation, poor land management and over-exploitation. Agenda 21 states that the priority in combating desertification should be establishing preventive measures for lands that are not yet, or are only slightly, degraded) | |
| désertion des campagnes | absconding of peasants |