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| Terms for subject Environment (23394 entries) |
| alkane (Paraffins. A homologous series of saturated hydrocarbons having the general formula CnH2n+2. Their systematic names end in -ane. They are chemically inert, stable, and flammable. The first four members of the series (methane, ethane, propane, butane) are gases at ordinary temperatures; the next eleven are liquids, and form the main constituents of paraffin oil; the higher members are solids. Paraffin waxs consists mainly of higher alkanes) | alcano | |
| alkyl benzene sulfonate | sulfonato de alquilbenzeno | |
| alkyl compound (Compound containing one or more alkyl radicals) | compostos de alquilo | |
| alkyl compound | composto de alquilo | |
| alkyl compound | compostos de alquilo | |
| alkyl mercury compound | composto de alquilmercúrio | |
| all-terrain vehicle (A land carriage so constructed that it can be used on any kind of road or rough terrain and can be operated for many purposes, such as carrying goods, transporting the injured, conveying passengers, etc.) | veículos de todo o terreno | |
| allergen (Any antigen, such as pollen, a drug, or food, that induces an allergic state in humans or animals) | alergénios | |
| allergy (A condition of abnormal sensitivity in certain individuals to contact with substances such as proteins, pollens, bacteria, and certain foods. This contact may result in exaggerated physiologic responses such as hay fever, asthma, and in severe enough situations, anaphylactic shock) | alergias | |
| allergy | alergias | |
| alligators and caimans | aligatores | |
| allocation (The assignment or allotment of resources to various uses in accord with a stated goal or policy) | atribuição | |
| allocation plan (The formulation and application of such measures as laws, economic plans, urbanism, etc., to ensure a balance between the population's needs and the country's resources) | planos de locação | |
| allocation plan | plano de atribuições | |
| allochthonous matter | matéria orgânica alóctone | |
| allochthonous matter | matéria alóctone | |
| allochthonous organic matter | matéria orgânica alóctone | |
| allowance | descontos | |
| alloy (Any of a large number of substances having metallic properties and consisting of two or more elements; with few exceptions, the components are usually metallic elements) | ligas metálicas | |
| alluvial biotope | biótopo aluvial |