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| Terms for subject Environment (5949 entries) |
| chemical risk (Probability of harm to human health, property or the environment posed by contact with any substance of a defined molecular composition) | arrisku kimiko | |
| chemical structure (The arrangement of atoms in a molecule of a chemical compound) | egitura kimiko | |
| chemical treatment (Processes that alter the chemical structure of the constituents of the waste to produce either an innocuous or a less hazardous material. Chemical processes are attractive because they produce minimal air emissions, they can often be carried out on the site of the waste generator, and some processes can be designed and constructed as mobile units) | tratamendu kimiko | |
| chemical treatment of waste | hondakinen tratamendu kimiko | |
| chemical waste (Any by-product of a chemical process, including manufacturing processes. Often this by-product is considered a toxic or polluting substance) | hondakin kimiko | |
| chemical weapon (Chemical agents of warfare include all gaseous, liquid or solid chemical substances which might be employed because of their direct toxic effects on man and animals. Chemical weapons also include the chemical's precursors, the munitions and devices designed to deliver them, and any equipment specifically designed for their use in warfare. Nerve agents (chemicals of the same family as organophosphorous insecticides) are the most lethal of the classical chemical warfare agents, killing by poisoning the nervous system and disrupting bodily functions. Other chemical weapons include blister agents, vesicants, choking agents, etc.) | arma kimiko | |
| chemicals act | produktu kimikoei buruzko lege | |
| chemisorption (The process of chemical adsorption) | adsortzio kimiko | |
| chemistry (The scientific study of the properties, composition, and structure of matter, the changes in structure and composition of matter, and accompanying energy changes) | kimika | |
| chestnut (Any north temperate fagaceous tree of the genus Castanea, such as Castanea sativa, which produce flowers in long catkins and nuts in a prickly bur) | gaztainondo | |
| child (A person below the age of puberty) | haur | |
| child (A person below the age of puberty) | ume | |
| chimney (A vertical structure of brick, masonry, or steel that carries smoke or steam away from a fire, engine, etc.) | tximinia | |
| chimney height (The appropriate height for chimneys serving industrial combustion plants in order to avoid unacceptable pollution) | tximinia-garaiera | |
| chiropteran (Order of placental mammals comprising the bats having the front limbs modified as wings) | kiroptero | |
| chloride (A compound which is derived from hydrochloric acid and contains the chlorine atom in the -1 oxidation state) | kloruro | |
| chlorinated hydrocarbon (A class of persistent, broad-spectrum insecticides that linger in the environment and accumulate in the food chain. Among them are DDT, aldrin, dieldrin, heptachlor, chlordane, lindane, endrin, mirex, hexachloride, and toxaphene. In insects and other animals these compounds act primarily on the central nervous system. They also become concentrated in the fats of organisms and thus tend to produce fatty infiltration of the heart and fatty degeneration of the liver in vertebrates. In fishes they have the effect of preventing oxygen uptake, causing suffocation. They are also known to slow the rate of photosynthesis in plants. Their danger to the ecosystem resides in their rate stability and the fact that they are broad-spectrum poisons which are very mobile because of their propensity to stick to dust particles and evaporate with water into the atmosphere) | hidrokarburo kloratu | |
| chlorination (The application of chlorine to water, sewage or industrial wastes for disinfection or other biological or chemical purposes) | klorazio | |
| chlorine (A very reactive and highly toxic green, gaseous element, belonging to the halogen family of substances. It is one of the most widespread elements, as it occurs naturally in sea-water, salt lakes and underground deposits, but usually occurs in a safe form as common salt (NaCl). Commercially it is used in large quantities by the chemical industry both as an element to produce chlorinated organic solvents, like polychlorinated biphenyls (PCBs), and for the manufacture of polyvinyl chloride plastics, thermoplastic and hypochlorite bleaches. Chlorine was the basis for the organochlorine pesticides, like DDT and other agricultural chemicals that have killed wildlife. The reactivity of chlorine has proved disastrous for the ozone layer and has been the cause of the creation of the ozone hole, which was first detected in the Southern Hemisphere over Antarctica and then over the Northern Hemisphere) | kloro | |
| chloroethylene (A flammable, explosive gas with an ethereal aroma; soluble in alcohol and ether, slightly soluble in water; boils at -14° C; an important monomer for polyvinyl chloride and its copolymers; used in organic synthesis and in adhesives) | kloroetileno |