| pluja àcida |
acid rain (Rain having a pH less than 5.6. The acidity results from chemical reactions occurring when water, sulphur dioxide, and nitrogen oxides, generally released by industrial processes, are chemically transformed into sulphuric and nitric acids) |
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| plutoni |
plutonium (A highly toxic metallic transuranic element. It occurs in trace amounts in uranium ores and is produced in a nuclear reactor by neutron bombardment of uranium-238. The most stable and important isotope, plutonium-239, readily undergoes fission and is used as a reactor fuel in nuclear power stations and in nuclear weapons) |
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| plàncton |
plankton (Small organisms (animals, plants, or microbes) passively floating in water) |
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| plàstic |
plastic (A polymeric material (usually organic) of large molecular weight which can be shaped by flow; usually refers to the final product with fillers, plasticizers, pigments, and stabilizers included (versus the resin, the homogeneous polymeric starting material); examples are polyvinyl chloride, polyethylene, and urea-formaldehyde) |
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| plàstic reciclable |
recyclable plastic (Plastic waste that can be transformed into new products) |
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| pneumàtic |
tyre (A rubber ring placed over the rim of a wheel of a road vehicle to provide traction and reduce road shocks) |
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| pneumàtic de cotxe |
car tyre (A rubber ring placed over the rim of a wheel of a road vehicle to provide traction and reduce road shocks, especially a hollow inflated ring consisting of a reinforced outer casing enclosing an inner tube) |
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| pneumàtic usat |
scrap tyre (Recyclable material from discarded motor vehicle tyres) |
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| població |
population (A group of organisms of one species, occupying a defined area; ecological) |
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| població activa |
active population (The number of people available and eligible for employment within a given enterprise, region or nation) |
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| població activa agrària |
working population engaged in agriculture (The number of a particular region or nation's working population gainfully employed or otherwise occupied with the production of crops, livestock or poultry) |
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| població animal |
animal population (A group of animals inhabiting a given area) |
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| població humana |
human population (Group of individuals having common characteristics) |
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| població rural |
rural population (The total number of persons inhabiting an agricultural or pastoral region) |
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| població urbana |
urban population (The total number of persons inhabiting a city, metropolitan region or any area where the sum of residents exceeds a designated amount) |
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| poble, vila |
village (A group of houses and other buildings, such as a church, a school and some shops, which is smaller than a town, usually in the countryside) |
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| pobresa |
poverty (State in which the individual lacks the resources necessary for subsistence) |
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| poda |
pruning (The cutting off or removal of dead or living parts or branches of a plant to improve shape or growth) |
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| poda |
cutting (In plant propagation, young shoots or stems removed for the purpose of growing new plants by vegetatively rooting the cuttings; vegetative propagation) |
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| poder de purificació |
purifying power (Regenerative capacity of a system, of soils, water, etc.) |
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