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| Terms for subject Environment (6533 entries) |
| rază de tragere | shooting range (Area designed for target shooting) | |
| război | war (A conflict or a state of hostility between two or more parties, nations or states, in which armed forces or military operations are used) | |
| război ecologic | environmental warfare (The direct manipulation or destruction of ecological resources as either a political threat or for actual military advantage) | |
| raze X | X ray (A penetrating electromagnetic radiation, usually generated by accelerating electrons to high velocity and suddenly stopping them by collision with a solid body, or by inner-shell transitions of atoms with atomic number greater than 10; their wavelength ranges from about 10(-5) angstrom to 10 angstroms, the average wavelength used in research being 1 angstrom) | |
| reabilitare | rehabilitation (A conservation measure involving the correction of past abuses that have impaired the productivity of the resources base) | |
| reabilitare a sitului | site rehabilitation (The restoration of the ecological quality of an area or location) | |
| reabilitarea instalaţiilor | installation restoration (The process of repairing or reconstructing an edifice in order to return it to its original condition) | |
| reacţie chimică | chemical reaction (A change in which a substance is transformed into one or more new substances) | |
| reacţie fotochimică | photochemical reaction (Chemical reaction which is initiated by light of a specific wavelength. In an environmental context an example is the potential action of ultraviolet light on CFCs which may bring about the detrimental degradation of the ozone layer. Photochemical reactions initiate the process of photosynthesis in which plants convert carbon dioxide into sugars, which are incorporated into cell materials) | |
| reacţie nucleară | nuclear reaction (A reaction involving a change in an atomic nucleus, such as fission, fusion, neutron capture, or radioactive decay, as distinct from a chemical reaction, which is limited to changes in the electron structure surrounding the nucleus) | |
| reactor | reactor (A device that introduces either inductive or capacitive reactance into a circuit, such as a coil or capacitor) | |
| reactor nuclear | nuclear reactor (Device which creates heat and energy by starting and controlling atomic fission) | |
| reactor rapid | fast reactor (Nuclear reactor which produces more fissile material than it consumes, using fast-moving neutrons and making plutonium-239 from uranium-238, thereby increasing the reactor's efficiency) | |
| reamenajare locuinţă | rehousing (To provide with new or different housing) | |
| rece | cold (No definition needed) | |
| recensământ | census survey (An official periodic count of a population including such information as sex, age, occupation, etc.) | |
| reciclabilitate | recyclability (Characteristic of materials that still have useful physical or chemical properties after serving their original purpose and that can, therefore, be reused or remanufactured into additional products) | |
| reciclare | recycling (A resource recovery method involving the collection and treatment of a waste product for use as raw material in the manufacture of the same or a similar product) | |
| reciclare | recycling | |
| reciclare a deşeurilor | waste recycling (A method of recovering wastes as resources which includes the collection, and often involving the treatment, of waste products for use as a replacement of all or part of the raw material in a manufacturing process) |