Glossary “MOS” Definition:
Metal Oxide Semiconductor
m
MOPAR
Glossary “MOPAR” Definition:
In the mid 30’s, Chrysler Corporation looked into consolidating the parts divisions of all there brands–Chrysler,Dodge, Plymouth, DeSoto and Imperial into one division. This created the Chrysler Corporation Motor Parts division. From then on, parts used on ANY of the Chrysler Corporation vehicle came in boxes branded with Chrysler Motor Parts division’s logo: MOtor PARts. Over time MOPAR became a synonymous term to use to talk about any of the Chrysler Corporation Vehicles.
morning sickness
Glossary “morning sickness” Definition:
Term applying to power steering or A/T that desribes the lack of hydraulic pressure build up when seals are cold and hard. A cold A/T will hesitate from a few seconds to a minute, leaving the vehicle standing still as if it were in neutral while the engine is running and the transmission in in gear.
monolithic substrate
Glossary “monolithic substrate” Definition:
Ceramic honeycomb structure used as a base to be coated with a metallic catalyst material for use in the converter
monolithic timing
Glossary “monolithic timing” Definition:
Use of an electronic timing device to make precise adjustments in engine timing when the engine is running.
Montreal Protocol
Glossary “Montreal Protocol” Definition:
An agreement signed by representatives of the participating countries to reduce CFC and HCFC emissions into the atmosphere by restricting and regulating the manufacture and sale of such products.
monogoggle
Glossary “monogoggle” Definition:
Eye protection that may be worn over glasses.
monoleaf spring
Glossary “monoleaf spring” Definition:
Spring that is made up of a single steel leaf.
monolithic
Glossary “monolithic” Definition:
Device or structure made as a single unit.
monolithic catalytic converter
Glossary “monolithic catalytic converter” Definition:
A catalytic converter which has its catalytic materials coating a ceramic honeycomb, as distinguished from the pellet-bed converter.
monitor box
Glossary “monitor box” Definition:
Optional test device which connects in series with the processor and its harness, and permits measurements in various units of processor inputs and outputs as the system is operating.
monochlorodifluoromethane
Glossary “monochlorodifluoromethane” Definition:
The chemical term for refrigerant-22 (HCFC-12)
monocoque
Glossary “monocoque” Definition:
A unitized autobody-frame structure with stressed sheet metal body panels.
monitor
Glossary “monitor” Definition:
1). An electronic sensor, such as the lambda sensor. 2). In computer terms a monitor is a display screen. 3). Part of a OBD-II Drive Cycle that is used to determine the status of different systems.
moment of inertia
Glossary “moment of inertia” Definition:
The tendency of a body to resist angular or rotational acceleration, such as a vehicle resisting a cornering effort.
momentum
Glossary “momentum” Definition:
The force of continuing motion. The momentum of a moving object equals its mass times its speed.
MON
Glossary “MON” Definition:
Motor Octane Number.
molybdenum disulfate
Glossary “molybdenum disulfate” Definition:
A combination of molybdenum (Mo) and sulfur (S) sometimes added to oil and grease to improve their lubricating qualities.
molten carbonate
Glossary “molten carbonate” Definition:
A type of fuel cell electrolyte that contains carbon, oxygen and another element. Solid at room temperature, it must be melted in order to function.
moly
Glossary “moly” Definition:
Short for molybdenum.