M
- M.2
- M2M
- MAC
- MAC address
- Mac OS
- Mac OS X
- Mach
- Mach number
- Mach-Zehnder interferometer
- Mach.2
- machine
- machine automation
- machine autonomy
- machine builder
- machine code
- machine cycle
- machine data
- machine instruction
- machine language
- machine learning
- machine learning library
- machine tool
- machine translation
- machine translation evaluation
- machine vision
- machine word
- machine-checked proof
- machine-dependent
- machine-generated data
- machine-independent
- machine-oriented
- machine-oriented language
- machine-readable
- machine-specific register
- Macintosh
- macro command
- macro definition
- macro expansion
- macro generator
- macro language
- macro library
- macro recorder
- macro virus
- macrocell
- Macrovision
- MAE
- magnet
- magnetic card
- magnetic drum
- magnetic field