Glossary P

The Environmental Glossary. Letter P +++ Popular Articles: 'Peak power', 'Parallel connection', 'Pollution'

In the environmental context, 'plastic' refers to a versatile and synthetic material that is widely used in various industries and daily life. It is made from polymers, which are large molecules composed of repeating subunits.

plastics are durable and flexible synthetic-based products, some of which are difficult to Recycle and pose problems with toxic properties, especially PVC plastic.

A Plate Cooler is a Heat exchanger in which water at ground temperature or chilled water is used to cool milk prior to its movement to the Bulk milk tank.

A Plenum is air compartment connected to a duct or ducts.

Plenum flushes are Rinsing procedure that discharges Deionized water from the rim of a flowing bath to remove contaminants from the sides and bottom of the bath (Brown and Caldwell, 1

A Plethysmograph is a rigid chamber placed around a living structure for the purpose of measuring changes in the volume of the structure. In respiratory measurements, the entire body

A Plume is an area of groundwater contamination

A plutonium is a heavy, radioactive, man-made, metallic Element (atomic number 94) used in the production of nuclear energy and the explosion of nuclear weapons; its most important isotope is fissile plutonium-239, produced by neutron irradiation of uranium-238.

A PM is Particulate matter
Other /More definition:
A PM is Preventive Maintenance.

A PM10 is particulate Matter less than 10 microns in diameter.

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