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Monochlorodifluoromethane

The chemical term for refrigerant-22 (HCFC-12).

Monocoque

A unitized autobody-frame structure with stresses-sheet-metal body panels.

Monogoggle

Eye protection that may be worn over glasses.

Monoleaf Spring

A spring that is made up of a single steel leaf.

Monolithic

A device or structure made as a single unit.

Monolithic Catalytic Converter

A catalytic converter which has its catalytic materials coating a ceramic honeycomb, as distinguished from the pellet-bed converter.

Monolithic Substrate

The ceramic honeycomb structure used as a base to be coated with a metillic catalyst material for use in the converter.

Monolithic Timing

The use of an electronic timing device to make precise adjustments in engine timing when the engine is running.

Monster Truck

A truck, usually a pick-up, having huge, oversized wheels and tires with a heavy duty power train to drive them.

Montreal Protocol

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.

Moon Disc

A smooth hub cab that completely covers the wheel.

MOPAR

Gary H. of the 1962 to1965 MOPAR website said.

MOS

Metal Oxide Semiconductor.

MOS Transistor

A Metal Oxide Semiconductor used as a field-effect transistor made from a sandwich of metal for a gate, on tor of oxide, on to of the semiconductor substrate which contains the source and drain.

MOSFET

Metal Oxide Semiconductor Field-effect transistor.

Motor

A device that converts electrical energy into mechanical energy, such as a fan motor.

Motor And Equipment Manufacturers Association (MEMA)

An association of manufacturers of automotive aftermarket parts, original equipment parts, tools, chemicals, and other products.

Motor Home

A self-contained vehicle built on a bus or truck chassis containing a driver's compartment and complete living facilities.

Motor Mounts

Supports made of hard rubber for the engine and transmission to be secured to the vehicles frame.

Motor Mouth

An overly talkative person.