All abbreviations starting with M
| Term | Full Form | Category |
|---|---|---|
| M | 1,000 
| Others |
| M | 1000 (Roman numeral)
| Others |
| M | Chief of the British Secret Service
| Others |
| M | Macadamia
| Others |
| M | Mach
| Others |
| M | Mach number
| Others |
| M | Machine
| Others |
| M | Macy's, Inc.
| Others |
| M | Madrid
| Others |
| M | Magenta
| Others |
| M | Magic
| Others |
| M | Maiden
| Others |
| M | Maintainability
| Others |
| M | Major cycle
| Others |
| M | Making
| Others |
| M | Male
| Biology |
| M | Man
| Others |
| M | Managing
| Others |
| M | Manchester
| Others |
| M | Mandatory
| Others |
| M | Maneuver
| Others |
| M | Maniacal
| Others |
| M | Manic
| Others |
| M | Manifold
| Others |
| M | Manservant
| Others |
| M | Manual
| Others |
| M | Manufacturer
| Others |
| M | Manure
| Others |
| M | Maple Common binary file
| Others |
| M | Maritime
| Others |
| M | Mark
| Others |
| M | Marketing
| Others |
| M | Markovian
| Others |
| M | Married
| Others |
| M | Mars
| Others |
| M | Martin
| Others |
| M | Marvelous
| Others |
| M | Mass
| Others |
| m | Mass (as in E=mc^2)
| Others |
| M | Mathematica Standard package
| Others |
| M | Matlab M-file Function and commands
| Others |
| M | Matrix
| Others |
| M | Matt
| Others |
| M | Matthew
| Others |
| M | Mature
| Others |
| M | Maxim
| Others |
| M | Maybe
| Others |
| M | Mean anomaly
| Others |
| M | Meaning
| Others |
| M | Mechanized
| Others |