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| Terms for subject Environment (6972 entries) |
| betoon | concrete (A mixture of aggregate, water, and a binder, usually Portland cement; it hardens to stonelike condition when dry) | |
| betoontootetööstus | concrete products industry (No definition needed) | |
| bibliograafia | bibliography (A complete or selective listing of documents by a given subject, author or publisher, often including the description and identification of the editions, dates of issue, titles, authorship, publishers or other written materials) | |
| bibliograafiline informatsioon | bibliographic information (Data pertaining to the history, physical description, comparison, and classification of books and other works) | |
| bibliograafilise info süsteem | bibliographic information system (A coordinated assemblage of people, devices or other resources organized for the exchange of data pertaining to the history, physical description, comparison, and classification of books and other works) | |
| bilanss | balance (An equality between the sums total of the two sides of an account, or the excess on either side; economic) | |
| bioaktiivsus | biological activity | |
| bioakumulatsioon | bioaccumulation (1. The accumulation of pollutants in living organisms by direct adsorption or through food chains. 2. Accumulation by an organism of materials that are not an essential component or nutrient of that organism. Usually it refers to the accumulation of metals, but it can apply to bioaccumulation of persistent synthetic substances such as organochlorine compounds. Many organisms, such as plants, fungi and bacteria, will accumulate metals when grown in solutions containing them. The process can be employed usefully as a purification process to remove toxic heavy metals from waste water and contaminated land) | |
| bioakumulatsioonitegur | bioconcentration factor (The quotient of the concentration of a chemical in aquatic organisms at a specific time or during a discrete time period of exposure, divided by the concentration in the surrounding water at the same time or during the same period) | |
| bioakumuleeruv reoaine | bioaccumulative pollutant (Pollutants that become concentrated in living organisms through the consumption of food or water) | |
| bioanalüüs | biological analysis (The analysis of a substance in order to ascertain its influence on living organisms) | |
| biodegradatsioon | biodegradation (Breaking down of a substance by microorganisms) | |
| bioeetika | bioethics (The study of ethical problems arising from biological research and its applications in such fields as organ transplantation, genetic engineering, or artificial insemination) | |
| biofilter | trickling filter (A system of secondary sewage treatment which is similar to self-purification action of streams; it is more accurately a biological oxidizing bed; the effluent is placed on the stones in the bed and microorganisms present consume the solids as a food supply) | |
| biofilter | bacterial bed (A device that removes some suspended solids from sewage. Air and bacteria decompose additional wastes filtering through the sand so that cleaner water drains from the bed) | |
| biofiltrimine | biofiltration (The distribution of settled sewage on a bed of inert granular material through which it is allowed to percolate. In doing so, the effluent is aerated thus allowing aerobic bacteria and fungi to reduce its biochemical oxygen demand) | |
| biofüüsika | biophysics (The hybrid science involving the application of physical principles and methods to study and explain the structures of living organisms and the mechanics of life processes) | |
| biogaas | biogas (Gas, rich in methane, which is produced by the fermentation of animal dung, human sewage or crop residues in an air-tight container. It is used as a fuel, to heat stoves, lamps, run small machines and to generate electricity. The residues of biogas production are used as a low-grade organic fertilizer. Biogas fuels do not usually cause any pollution to the atmosphere, and because they come from renewable energy resources they have great potential for future use) | |
| biogeograafia | biogeography (The science concerned with the geographical distribution of animal and plant life) | |
| biogeograafiline piirkond | biogeographical region (Area of the Earth's surface defined by the species of fauna and flora it contains) |