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| Terms for subject Environment (5949 entries) |
| catchment (A structure in which water is collected) | ur-bilketa | |
| catchment area (1. An area from which surface runoff is carried away by a single drainage system. 2. The area of land bounded by watersheds draining into a river, basin or reservoir) | arro | |
| category of endangered species (Those of the planet's flora and fauna which are threatened with extinction. Hunting and poaching to fuel the trade in ivory, horn, skins, fur and feathers have long been a threat to already endangered species. Pollution, agricultural expansion, loss of wetlands, deforestation and other erosion of habitats have been added to the hazards. Human activity was responsible for most of the animals and plants known to have been lost in the past two centuries) | galzoriko espeziearen kategoria | |
| cation (A positively charged atom or group of atoms, or a radical which moves to the negative pole (cathode) during electrolysis) | katioi | |
| cattle (Domesticated bovine animals, including cows, steers and bulls, raised and bred on a ranch or farm) | behi-azienda | |
| cause for concern principle (Principle connected with the precautionary principle: it means that, if there are strong reasons for expecting serious or irreversible damage to the environment following a given project, lack of full scientific certainty should not be used as a reason for postponing cost-effective measures to prevent environmental degradation. Critics of this approach are concerned about large commitments of resources to deal with vaguely defined problems) | kezka-printzipiorako arrazoi | |
| cause-effect relation (The relating of causes to the effects that they produce) | kausa-efektu erlazio | |
| cave (1. An underground hollow with access from the ground surface or from the sea, often found in limestone areas and on rocky coastlines. 2. A natural cavity, chamber or recess which leads beneath the surface of the earth, generally in a horizontal or obliquely inclined direction. It may be in the form of a passage or a gallery, its shape depending in part on the joint pattern or structure of the rock and partly on the type of process involved in its excavation. Thus, caves worn by subterranean rivers may be different in character from, and of considerably greater extent than, a sea-cave eroded by marine waves. 3. A natural underground open space, generally with a connection to the surface and large enough for a person to enter. The most common type of cave is formed in a limestone by dissolution) | kobazulo | |
| CD-ROM (A compact disc on which a large amount of digitalised read-only data can be stored, compact disc read-only-memory) | CD-ROM | |
| CD-ROM search service (The provision of special aid by library staff trained to query bibliographic or other information contained on an electronic storage medium, usually to meet the research needs of the library's clients) | CD-ROMeko bilaketa-zerbitzu | |
| cell (The microscopic functional and structural unit of all living organisms, consisting of a nucleus, cytoplasm, and a limiting membrane; biology) | zelula | |
| cell (energy, The basic building block of a battery. It is an electrochemical device consisting of an anode and a cathode in a common electrolyte kept apart with a separator. This assembly may be used in its own container as a single cell battery or be combined and interconnected with other cells in a container to form a multicelled battery) | pila elektrokimiko | |
| cellulose (The main polysaccharide in living plants, forming the skeletal structure of the plant cell wall; a polymer of beta-D-glucose linked together with the elimination of water to form chains of 2000-4000 units) | zelulosa | |
| cellulose industry (No definition needed) | zelulosa-industria | |
| cement (A dry powder made from silica, alumina, lime, iron oxide, and magnesia which hardens when mixed with water; used as an ingredient in concrete) | zementu | |
| cement industry (Industry for the production of cement. The emissions of most relevance from this sector are atmospheric: dust, carbon dioxide and nitrogen oxides are the most important. Cement is essential for the construction sector, either directly or mixed with sand or gravel to form concrete) | zementu-industria | |
| cement manufacture (Cement is produced by heating a mixture of clay or shale plus chalk or lime in a rotary kiln up to 250 m long per 8 m diameter rotating at 1 rpm. The process can be wet, semi-dry or dry and the fuel can be pulverized coal, oil or gas. As the coal ash is similar in composition to the clay or shale, it can stay in the cement clinker. As one of the kiln operator's major costs is fuel and even a modest sized kiln can consume 8-10 tons of coal per hour, the cement kiln could, therefore, solve a disposal problem and also benefit the cement manufacturer by reducing fuel costs) | zementugintza | |
| census survey (An official periodic count of a population including such information as sex, age, occupation, etc.) | errolda | |
| Central Africa (A geographic region of the African continent close to the equator that includes Cameroon, Chad, Equatorial Guinea, Gabon, the Central African Republic and the Democratic Republic of Congo) | Erdialdeko Afrika | |
| Central America (A narrow continental region of the Western hemisphere, existing as a bridge between North and South America, often considered to be the southern portion of North America, and including countries such as Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica and Panama) | Erdialdeko Amerika |