Glossary P

A Prescribed burning is Deliberate setting and careful control of surface fires in forests to help prevent more destructive fires and to kill off unwanted plants that compete with commercial species for plant nutrients; may also be used on grasslands.

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Prescription Drugs are Drugs that the FDA has determined must be used only under the direction and supervision of a licensed veterinarian.

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Deutsch: Erhaltung / Español: Preservación / Português: Preservação / Français: Préservation / Italiano: Preservazione

In the environmental context, preservation refers to the Protection of Natural resources, ecosystems, and biodiversity from degradation or destruction. It involves maintaining or restoring the natural environment to ensure that ecological systems remain intact and functional for future generations. Preservation efforts are critical in combating environmental issues like climate change, habitat loss, pollution, and species extinction.

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A PRESSED WOOD PRODUCTS is a group of materials used in building and furniture construction that are made from wood veneers, particles, or fibers bonded together with an adhesive under heat and pressure.

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Deutsch: Umwelt-Druck / Español: Presión Ambiental / Português: Pressão Ambiental / Français: Pression Environnementale / Italiano: Pressione Ambientale /

In the environmental context, pressure refers to the various stresses and human activities that can have negative impacts on the natural environment.

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A PRESSURE, STATIC is In flowing air, the total pressure minus velocity pressure. The portion of the pressure that pushes equally in all directions.

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A PRESSURE, TOTAL is In flowing air, the sum of the static pressure and the velocity pressure.

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A PRESSURE, VELOCITY is In flowing air, the pressure due to the velocity and Density of the air.

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A PREVENTIVE MAINTENANCE is Regular and systematic inspection, cleaning, and replacement of worn parts, materials, and systems.

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Deutsch: Beute / Español: Presa / Português: Presa / Français: Proie / Italiano: Preda

Prey refers to animals that are hunted, captured, and eaten by predators in the food web. In the environmental context, prey species play a crucial role in maintaining the Balance of ecosystems by serving as a food source for predators. The dynamics between predators and their prey are fundamental to regulating population sizes, influencing species distribution, and driving natural selection and evolutionary processes.

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