Glossary “porous lead” Definition:
Lead with many small holes to make a porous surface for use in battery negative plates.
p
Porsche
Glossary “Porsche” Definition:
Proof Of Rotten Spoiled Children Having Everything
port
Glossary “port” Definition:
Term used for intake port or exhaust port.
porcupine head
Glossary “porcupine head” Definition:
Cylinder head on a rat motor.
pop rivet
Glossary “pop rivet” Definition:
Fastener used to hold two pieces of sheet metal, or other materials together.
pop up menu
Glossary “pop up menu” Definition:
A list of choisces displayed as an addition to the regular menu.
poppet valve
Glossary “poppet valve” Definition:
1). Valve that plugs and unplugs its opening by axial motion. 2). An intake or exhaust valve consisting of a disc at the end of a shaft used in a four-stroke cycle engine.
porcelain
Glossary “porcelain” Definition:
A hard, ceramic material as used in spark plugs to insulate the electrode from the shell.
pop off valve
Glossary “pop off valve” Definition:
Spring-loaded pressure relief valve.
pony car
Glossary “pony car” Definition:
Any compact, two-door sports car similar to a Mustang.
pop back
Glossary “pop back” Definition:
A condition when the air/fuel mixture is ignited in the intake manifold and may cause a “pop back” through the carburetor.
pop the clutch
Glossary “pop the clutch” Definition:
To engage the clutch suddenly.
polypropylene primer
Glossary “polypropylene primer” Definition:
Special primer containing adhesion promoters for refinishing polyolefin plastics.
polyurethane
Glossary “polyurethane” Definition:
Synthetic material often used as a filter media.
polyurethane resin
Glossary “polyurethane resin” Definition:
The resin used in urethane products, such as urethane paints and plastics.
polyvinyl chloride (PVC)
Glossary “polyvinyl chloride (PVC)” Definition:
A thermoplastic material composed of components of vinyl chloride. It has outstanding resistance to the elements and can be made into hard or soft plastic. PVC, as the plastic is known, has many uses, including use in vinyl tops, instrument panel covers, and exterior plastic filler panels.
Pontiac
Glossary “Pontiac” Definition:
Poor Old Nut Thinks It’s A Cadillac
polypropylene
Glossary “polypropylene” Definition:
A tough, lightweight rigid plastic made through a mechanical and chemical process. It is used extensively in the manufacture of interior trim parts. Itr is a difficult plastic to paint and requires a special primer.
polymer
Glossary “polymer” Definition:
Substance made of giant molecules formed from smaller molecules of the same substance.
polymerization
Glossary “polymerization” Definition:
Chemical reaction whereby many small molecules combine to form larger, more complex molecules having a higher molecular weight with different chemical properties.