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Terms for subject Environment (5171 entries)
defoliering defoliation (1. The drop of foliage from plants caused by herbicides such as Agent Orange, diuron, triazines, all of which interfere with photosynthesis. The use of defoliants, as in Vietnam or in jungle clearance for agriculture, can permanently destroy tropical forests. Once the tree cover is removed, the soil is subjected to erosion and precious nutrients are rapidly leached away. 2. Destroying (an area of jungle, forest, etc.) as by chemical sprays or incendiary bombs, in order to give enemy troops or guerilla forces no place of concealment)
dekantering decantation (Sizing or classifying particulate matter by suspension in a fluid (liquid or gas), the larger particulates tending to separate by sinking)
dekantering racking (The mechanical dewatering of a wet solid by pouring off the liquid without disturbing the underlying sediment or precipitate)
dekk tyre (A rubber ring placed over the rim of a wheel of a road vehicle to provide traction and reduce road shocks)
dekkfrøet plante angiosperm (The class of seed plants that includes all the flowering plants, characterized by the possession of flowers. The ovules, which become seeds after fertilization, are enclosed in ovaries. The xylem contains true vessels. The angiospermae are divided into two subclasses: Monocotyledoneae and Dycotiledoneae)
dekontaminering decontamination (The removing of chemical, biological, or radiological contamination from, or the neutralizing of it on a person, object, or area)
dekret decree (A declaration of the court announcing the legal consequences of the facts found)
delavgjørelse interim decision
delegert forvaltning delegated management (The process of assigning or transferring authority, decision making or a specific administrative function from one entity to another)
delstatslovgivning provincial/regional law (D)
delstatsmyndighet provincial/regional authority (D, The power of a government agency or its administrators to administer and implement laws and government policies applicable to a specific political subdivision or geographical area within the state)
delstatsregjering territorial government (An administrative body or system in which political direction or control is exercised over a designated area or an administrative division of a city, county or larger geographical area)
deltakelse participation (The act of sharing or taking part in a civic, community or public action)
demografi demography (The statistical study of human vital statistics and population dynamics)
demografisk utvikling demographic development (Growth in the number of individuals of a population)
demokrati democracy (A system of governance in which ultimate authority power is vested in the people and exercised directly by them or by their freely elected agents)
den enkeltes rettigheter rights of the individual (Just claims, legal guarantees or moral principles accorded to each and every member of a group or state, including the freedom to do certain things and the freedom from certain intrusions imposed by the collective body)
dendrokronologi dendrochronology (The science of dating the age of a tree by studying annual growth rings. It is also employed to interpret previous environments and climatic variations by examining certain kinds of trees. It is based on the theory that the width of the growth ring reflects the amount of rainfall and the temperature of the year in which it was formed)
dendrometri dendrometry (The measuring of the diameter of standing trees from the ground with a dendrometer that can also be used to measure tree heights)
denitrifikasjon denitrification (1. The loss of nitrogen from soil by biological or chemical means. It is a gaseous loss, unrelated to loss by physical processes such as through leachates. 2. The breakdown of nitrates by soil bacteria, resulting in the release of free nitrogen. This process takes place under anaerobic conditions, such as are found in water-logged soil, and it reduces soil fertility)