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| Terms for subject Environment (5576 entries) |
| freshwater pollution | forurensning av ferskvann | |
| freshwater resource (The network of rivers, lakes, and other surface waters that supply water for food production and other essential human systems) | ferskvannsressurs | |
| frog (Any insectivorous anuran amphibian of the family Ranidae, such as Rana temporaria of Europe, having a short squat tailless body with a moist smooth skin and very long hind legs specialized for hopping) | frosk | |
| frost (A deposit of interlocking ice crystals formed by direct sublimation on objects) | frost | |
| fruit (A fully matured plant ovary with or without other floral or shoot parts united with it at maturity) | frukt | |
| fruit cultivation (Cultivation of fruit trees for home consumption or on a commercial basis) | fruktdyrking | |
| fruit tree (Any tree that bears edible fruit) | frukttre | |
| fuel (Solid, liquid, or gaseous material such as gas, gasoline, oil, coal or wood, used to produce heat or power by burning) | brensel | |
| fuel additive (Substance (such as tetraethyl lead) which is added to petrol to prevent knocking) | brenselstilsetning | |
| fuel alcohol (Alternative source of energy for motor vehicles. It is produced by fermentation of sugar cane by the yeast Saccharomyces cerevisiae) | brennalkohol | |
| fuel composition | brennstoffsammensetning | |
| fuel consumption (The amount of fuel utilized) | brenselforbruk | |
| fuel oil (A liquid product burned to generate heat, exclusive of oils with a flash point below 38°C; includes heating oils, stove oils, furnace oils, bunker fuel oils) | brennolje | |
| fuel tank installation (The operating, fuel-storage component of a fuel system) | brennstofftankanlegg | |
| fuel wood (Wood used for heating) | ved | |
| fume (Solids in the air that have been generated by the condensation of vapors, chemical reactions or sublimation (a direct change from solid to gas). Often metallic oxides or metals, these particles are less than 1 micrometer in diameter and may be toxic) | damp | |
| fumigation (The use of a chemical compound in a gaseous state to kill insects, nematodes, arachnids, rodents, weeds, and fungi in confined or inaccessible locations; also used to control weeds, nematodes, and insects in the field) | gassing | |
| fungicide (Chemicals used to kill or halt the development of fungi that cause plant disease, such as: storage rot; seedling diseases; root rots; vascular wilts; leaf blights, rusts, smuts and mildews, and viral diseases. These can be controlled by the early and continued application of selected fungicides that either kill the pathogens or restrict their development) | soppmiddel | |
| fungus (Nucleated usually filamentous, sporebearing organisms devoid of chlorophyll) | sopp | |
| fur (The hair-covered, dressed pelt of such a mammal, used in the making of garments and as trimming or decoration) | pels |