Automotive Glossary
Automotive Glossary
Browse the glossary using this index
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
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Oil PumpAn mechanically driven pump used to supply oil pressure. | |
Oil SealA seal that prevents oil loss. Usually described as a radial lip seal but other types are used. | |
Oil SeparatorPlates or baffles used to prevent oil being mixed with air or drawn through air pipes. | |
Oil StrainerThe mesh filter on the end of an oil pick up pipe. | |
Oil-Based PaintsPaints which dry by absorbing oxygen from the atmosphere. This 'uptake of oxygen' promotes a chemical reaction which is irreversible. | |
On Board Diagnostics (OBD)See OBD | |
OpacimeterSmoke meter used to measure the amount of smoke in diesel engine exhaust gases. | |
OpacityThe ability of a paint film to obliterate the colour or pattern of a surface. Opacity is measured by determining the minimum thickness at which a paint film will completely obscure a black and white pattern. | |
OpaqueImpervious to light transmission -non-transparent. | |