Sunday, 16 May 2021, 10:07 AM
Site: IMI eLearning
Course: IMI eLearning (IMI eLearning)
Glossary: Automotive Glossary
M

Mass

The total theoretical weight of matter based on its atomic structure. The weight of matter without gravitational pull.

Mass Air Flow Meter

A sensing device in the air intake duct of a fuel injection engine that provides data for control of the quantity of fuel that is injected.

Master Cylinder

The pump on a brake hydraulic system.

MAT

Manifold Air Temperature

Matching

In painting, to make refinishing colours look the same as the original finish.

Matt

A surface with minimal reflection.

Matter

A term used to describe any substance as a 'quantity of atoms'.

Matting agent

An additive used to lower the gloss of topcoat, single-stage colours and clearcoats.

Mb

Megabyte. Used to measure computer memory. 1 Mb = 1,000,000 bytes or 1024 Kb (kilobytes).

MCM

Motor control module