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| Terms for subject Environment (21507 entries) |
| yarovización | vernalization | |
| yarovización | yarovization | |
| yermo | wastelands | |
| yeso | chalk (A soft, pure, earthy, fine-textured, usually white to light gray or buff limestone of marine origin, consisting almost wholly (90-99%) of calcite, formed mainly by shallow-water accumulation of calcareous tests of floating microorganisms (chiefly foraminifers) and of comminuted remains of calcareous algae (such as cocoliths and rhabdoliths), set in a structureless matrix of very finely crystalline calcite. The rock is porous, somewhat friable, and only slightly coherent. It may include the remains of bottom-dwelling forms (e.g. ammonites, echinoderms, and pelecypods), and nodules of chert and pyrite. The best known and most widespread chalks are of Cretaceous age, such as those exposed in cliffs on both sides of the English Channel) | |
| yeso | gypsum (A colourless or white mineral used in the building industry and in the manufacture of cement, rubber, paper and plaster of Paris) | |
| yeso | chalk | |
| yeso de residuos | waste gypsum (By-product of the wet limestone flue gas desulphurisation process) | |
| yeso de residuos | waste gypsum | |
| yeso fosforado | phosphogypsum | |
| Yeso fosforado | phosphogypsum | |
| yeso procedente de la desulfuración de gases de combustión | flue gas desulphurisation (FGD) gypsum | |
| Yesos de la producción de dióxido de titanio | gypsum from titanium dioxide production | |
| yodo | iodine (A nonmetallic halogen element; the poisonous, corrosive dark plates or granules are readily sublimed; insoluble in water, soluble in common solvents; used as germicide and antiseptic, in dyes, tinctures, and pharmaceuticals, in engraving lithography, and as a catalyst and analytical reagent) | |
| zampullín cuellirrojo | Slavonian grebe | |
| zancudas | wading birds | |
| zanja | ditch (A long, narrow excavation artificially dug in the ground; especially an open and usually unpaved waterway, channel, or trench for conveying water for drainage or irrigation, and usually smaller than a canal. Some ditches may be natural watercourses) | |
| zanja de descarga profunda | tip bottom drainage trench | |
| zanja de oxidación | oxidation ditch | |
| zarapito esquimal | eskimo curlew | |
| zarapito fino | long-billed curlew |