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| Terms for subject Environment (6528 entries) |
| overwintering (To spend winter in a particular place) | peržiemojimas | |
| ovine (Horned ruminant mammals raised in many breeds for wool, edible flesh, or skin) | avių šeimos gyvūnas | |
| ownership (Collection of rights to use and enjoy property, including right to transmit it to others. The complete dominion, title, or proprietary right in a thing or claim) | nuosavybė | |
| oxidation (A chemical reaction that increases the oxygen content of a compound) | oksidacija | |
| oxidation-reduction (An oxidizing chemical change, where an element's positive valence is increased (electron loss), accompanied by a simultaneous reduction of an associated element (electron gain)) | oksidacijos ir redukcijos reakcija | |
| oxide (Binary chemical compound in which oxygen is combined with a metal or nonmetal) | oksidas | |
| oxidising agent (Compound that gives up oxygen easily, removes hydrogen from another compound, or attracts negative electrons) | oksiduojančioji medžiaga | |
| oxidising properties | oksidacinės savybės | |
| oxidizable material (Substance that can undergo a chemical reaction with oxygen) | medžiaga | |
| oxidizable material (Substance that can undergo a chemical reaction with oxygen) | turinti polinkį oksiduotis | |
| oxygen (A gaseous chemical element; an essential element in cellular respiration and in combustion processes; the most abundant element in the earth's crust and about 20% of the air by volume) | deguonis | |
| oxygen content (Amount of oxygen contained in a solution) | deguonies kiekis | |
| oxygen deficiency (No definition needed) | deguonies trūkumas | |
| oxygenation (Treating with oxygen) | prisotinimas deguonimi | |
| oyster farming (There are two types of oyster farming: suspension culture, in which oysters are grown off bottom, in floating trays, is a labor-intensive form of cultivation that requires continuous tending and cleaning of both gear and shellfish, and bottom culture, which is similar to conventional crop farming on land; it involves selecting areas of the sea floor that provide a natural food supply, necessary currents, minimum exposure to predators, and proper temperature and then "seeding" the bottom with shellfish stock that are left to grow to market size. Then they are harvested with a bottom drag from a boat. Both suspension culture and bottom culture depend on natural food supplies for growing the shellfish being raised) | austrių auginimas | |
| ozone (An allotropic form of oxygen containing three atoms in the molecule. It is a bluish gas, very active chemically, and a powerful oxidizing agent. Ozone is formed when oxygen or air is subjected to a silent electric discharge. It occurs in ordinary air in very small amounts only) | ozonas | |
| ozone depletion potential (A factor that reflects the ozone depletion potential of a substance, on a mass per kilogram basis, as compared to chlorofluorocarbon-11 (CFC-11). Such factor shall be based upon the substance's atmospheric life time, the molecular weight of bromine and chlorine, and the substance's ability to be photolytically disassociated, and upon other factors determined to be an accurate measure of relative ozone depletion potential) | ozono ardymo potencialas | |
| ozone killer | ozono sluoksnį ardanti medžiaga | |
| ozone layer (The general stratum of the upper atmosphere in which there is an appreciable ozone concentration and in which ozone plays an important part in the radiative balance of the atmosphere) | ozono sluoksnis | |
| ozone layer | ozono sluoksnis |