- mirror sextant
- missing variable
- mixed
- mixed chart
- mixed decimal
- mixed file
- mixed group
- mixed numeral
- mixed strategy
- mixer concrete
- microwave hologram
- microwave network
- microwave pulse
- microwave transmission
- MIDI file
- migration volume
- military time
- Miller code
- milling
- miniature components
- miniature version
- minimal
- minimal element
- minimal plane
- minimax estimate
- minimize button
- minimizing player
- minimum polynomial
- minimum variance
- minor cycle
- minor intervals
- minorant game
- minuend
- mirror effect
- mirror site
- mirrored drives
- missile
- mixed address
- mixed coefficient
- mixed connection
- mixed tensor
- minicartridge
- minimal equation
- minimal path
- minimal set
- minimal surface
- minimize
- minimizing sequence
- minimum-access
- minor premise
- minor stick
- minor total
- minorant
- minus
- mirror representation
- mirrored pair
- miscellaneous intercept
- miscellaneous time
- miscount error
- missing pulse
- mistake
- mixed expression
- mixed number
- mixed spectrum
- mixed string
- mnemonic code
- mnemonic-name
- mnemonics
- mnemoric selection
- mobile equilibrium
- mobile radio
- mobile station
- mobile telephone
- mobious strip
- modal dialog
- modal operator
- metallic circuit
- metallic connection
- metalogic
- metasearch
- metasystem
- meter
- method descriptor
- metric
- metric dense
- metric geometry
- metric space
- metric tension
- metriczation
- metrizable metric
- microbit microbit
- microcircuitry
- microdiagnostic utility
- microdisk
- microelectronic element
- micrologic
- microminiature
- microprogram load
- microrfilm
- microsoft