| Terms for subject Environment (6833 entries) |
| R 22 | R-22 | |
| R 22 | chlorodifluoromethane | |
| R 22 | difluorochloromethane | |
| R 22 | difluoromonochloromethane | |
| R 22 | fluorocarbon 22 | |
| R 22 | hydrochlorofluorocarbon-22 | |
| R 22 | monochlorodifluoromethane | |
| R 22 | refrigerant 22 | |
| R 23 | fluorocarbon-23 | |
| R 23 | fluoroform | |
| R 23 | hydrofluorocarbon-23 | |
| R 23 | propellant 23 | |
| R 23 | refrigerant 23 | |
| R 23 | trifluoromethane | |
| radar | radar | |
| radioaktivitás | radioactivity (The property possessed by some atomic nuclei of disintegrating spontaneously, with loss of energy through emission of a charged particle and/or gamma radiation) | |
| radioaktív anyag | radioactive substance (Any substance that contains one or more radionuclides of which the activity or the concentration cannot be disregarded as far as radiation protection is concerned) | |
| radioaktív elem | radioelement (An element that is naturally radioactive) | |
| radioaktív emisszió | radioactive emission (The release of radioactive substances into the environment deriving from nuclear installations and from mining, purification and enrichment operations of radioactive elements) | |
| radioaktív hulladék | radioactive waste (Any waste that emit radiation in excess of normal background level, including the toxic by-products of the nuclear energy industry) |