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| Terms for subject Environment (21507 entries) |
| hidroecología | aquatic ecology | |
| hidroecosistema | aquatic ecosystem | |
| hidroecosistema | water ecosystem | |
| hidrofluorocarburo | fluorinated hydrocarbon | |
| hidrofluorocarburo | fluorohydrocarbon | |
| hidrofluorocarburo | hydrofluorocarbon | |
| hidrófobo | water-repellent | |
| hidrofonía | hydroponics | |
| hidrófugo | water-repellent | |
| hidrógeno | hydrogen (A flammable colourless gas that is the lightest and most abundant element in the universe. It occurs mainly in water and in most organic compounds and is used in the production of ammonia and other chemicals, in the hydrogenation of fats and oils, and in welding) | |
| hidrogeología | hydrogeology (The science dealing with the occurrence of surface and ground water, its utilization, and its functions in modifying the earth, primarily by erosion and deposition) | |
| hidrogeoquímica | hydrogeochemistry | |
| hidrografía | hydrography (Science which deals with the measurement and description of the physical features of the oceans, lakes, rivers, and their adjoining coastal areas, with particular reference to their control and utilization) | |
| hidrolisis | hydrolysis (1. Decomposition or alteration of a chemical substance by water. 2. In aqueous solutions of electrolytes, the reactions of cations with water to produce a weak base or of anions to produce a weak acid) | |
| hidrología | hydrology (The science that treats the occurrence, circulation, distribution, and properties of the waters of the earth, and their reaction with the environment) | |
| hidrometalurgia no férrea | non-ferrous hydro-metallurgy | |
| hidrometalurgia no férrea | inorganic waste with metals from metal treatment and the coating of metals | |
| hidrometalurgia no férrea | wastes from chemical surface treatment and coating of metals and other materials | |
| hidrometeorología | hydrometeorology (That part of meteorology of direct concern to hydrologic problems, particularly to flood control, hydroelectric power, irrigation, and similar fields of engineering and water resource) | |
| hidrometría | hydrometry (The science and technology of measuring specific gravities, particularly of liquids) |