| Subject | English | Norwegian Bokmål |
| magn. | antiferromagnetic substance | antiferromagnetisk materiale |
| environ. | aromatic substance Substance having a distinctive, usually fragrant smell | aromatisk stoff |
| environ. | behaviour of substances Reactivity of a compound depending on the structure of the molecules | stoffegenskap |
| environ. | biochemical substance Chemical substances that occur in animals, microorganisms, and plants | biokjemisk stoff |
| magn. | diamagnetic substance | diamagnetisk materiale |
| environ. | environmentally dangerous substance Substance that causes undesirable change in the physical, chemical, or biological characteristics of the air, water, or land that can harmfully affect the health, survival, or activities of human or other living organisms | miljøfarlig stoff |
| environ. | environmentally harmful or toxic substance A chemical or mixture that may present a risk or injury to health or the environment | giftig stoff |
| environ. | etching substance Substance capable of wearing away the surface of a metal, glass, etc. by chemical action | etsende stoff |
| magn. | ferrimagnetic substance | ferrimagnetisk materiale |
| magn. | ferromagnetic substance | ferromagnetisk materiale |
| el., sec.sys. | flammable substance | brennbar substans |
| environ. | hazardous substance Any material that poses a threat to human health and/or the environment. Typical hazardous substances are toxic, corrosive, ignitable, explosive, or chemically reactive | helsefarlig stoff |
| environ. | hazardous substances legislation A binding rule or body of rules prescribed by a government to regulate the production, use or clean-up of materials that pose a threat to human health and the environment, particularly materials that are toxic, corrosive, ignitable, explosive or chemically reactive | lovgivning om helsefarlige stoffer |
| environ. | inflammable substance Substance liable to catch fire | brennbart materiale |
| environ. | inorganic substance Chemical compounds that do not contain carbon as the principal element (excepting carbonates, cyanides, and cyanates), that is, matter other than plant or animal | uorganisk stoff |
| environ. | insoluble substance Substance incapable of forming a solution, especially in water | uoppløselig stoff |
| environ. | lipophilic substance unpolar substances, having affinity to fatty (unpolar) substances; Substances having an affinity for lipids | lipofilt stoff |
| magn. | magnetic substance | magnetisk materiale |
| environ. | mutagenic substance Agents that induce a permanent change in the genetic material | mutagen |
| environ. | non-volatile substance Substance that is not capable of changing from a solid or liquid form to a vapour | ikke-flyktig stoff |
| environ. | organic substance Chemical compounds, based on carbon chains or rings and also containing hydrogen with or without oxygen, nitrogen, or other elements | organisk stoff |
| magn. | paramagnetic substance | paramagnetisk materiale |
| el., sec.sys. | pyrophoric substance | pyrofort stoff |
| environ. | 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 | radioaktivt stoff |
| environ. | recording of substances No definition needed | stoffregistrering |
| environ. | teratogenic substance Substances capable of causing abnormal development of the embryo and congenital malformations | teratogen |
| environ. | toxic substance | giftig stoff |
| environ. | volatile substance A substance capable of readily changing from a solid or liquid form to a vapour; having a high vapour pressure and a low boiling point | flyktig stoff |
| environ. | weakly degradable substance A substance that is not easily converted to another, usually less complex compound | svakt nedbrytbart stoff |
| environ. | xenobiotic substance A substance which would not normally be found in a given environment, and usually means a toxic chemical which is entirely artificial, such as a chlorinated aromatic compound or an organomercury compound | xenobiotisk stoff |