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| Terms for subject Environment (21507 entries) |
| estuarine oceanography (The study of the physical, chemical, biological and geological characteristics of a semi-enclosed coastal body of water which has a free connection with the open sea and within which sea water is measurably diluted with fresh water) | oceanografía de estuarios | |
| estuarine oceanography | oceanografía de estuarios | |
| estuary (Area at the mouth of a river where it broadens into the sea, and where fresh and sea water intermingle to produce brackish water. The estuarine environment is very rich in wildlife, particularly aquatic, but it is very vulnerable to damage as a result of the actions of humans) | estuarios | |
| estuary | zona de estuarios | |
| estuary | estuarios | |
| estuary pollution (Contamination of the generally broad portion of a stream near its outlet which is influenced by the tide of the water body into which it flows. Many estuaries have become badly contaminated by wastes that have been generated from heavily populated areas) | contaminación de estuario | |
| estuary pollution | contaminación de estuario | |
| etching (The incision of lines on a plate of metal, glass, or other material by covering it with an acid-resistant coating, scratching through the coating, and then permitting an acid bath to erode exposed parts of the plate) | aguafuerte | |
| etching | aguafuerte | |
| etching substance (Substance capable of wearing away the surface of a metal, glass, etc. by chemical action) | sustancia de aguafuerte | |
| etching substance | sustancia de aguafuerte | |
| etching substance | sustancias corrosivas | |
| ethanol (A colorless liquid, miscible with water, used as a reagent and solvent. Also known as alcohol; ethyl alcohol; grain alcohol) | etanol | |
| ethanol-farm concept | concepto de "ethanol-farm" | |
| ether (A colorless liquid, slightly soluble in water; used as a reagent, intermediate, anesthetic, and solvent) | éter | |
| ether | éteres | |
| ethics (The philosophical study of the moral value of human conduct and of the rules and principles that ought to govern it) | ética | |
| ethiofencarb | etiofencarb | |
| ethnology (The science that deals with the study of the origin, distribution, and relations of races or ethnic groups of mankind) | etnología | |
| ethology (The study of animal behaviour in a natural context) | etología |