- mirbane
- miscibility
- missile
- mixed dyes
- mixed solvent
- milling oil
- millipoise
- mine earth
- mine hoist
- mine run
- mine tin
- mine ventilation
- mineragraphic microscope
- mineral binder
- mineral claim
- mineral fuel
- mineral salt
- mineral substance
- mineralized zone
- mining floor
- mining industry
- mining pump
- miscibility pressure
- misfire shot
- missanda
- missile fuel
- missourite
- mixed flow
- mixed process
- mixer-settler
- mixing cylinder
- mixing formula
- mixing mill
- mixing mud
- mixing tank
- mixing vessel
- mixture concentration
- mixture contamination
- mixture distribution
- mixture ratio
- mixture temperature
- mixture test
- mizzonite
- mobile
- mobilometer
- mocha stone
- metallic mineral
- metalliferous
- metallogenetic province
- metallurgic cement
- metasilicate
- metasomatic vein
- metavariscite
- meter oil
- meter stick
- methacrylate
- methanamide
- methcrylic adhesive
- methoxybenzaldehyde
- methyl acetone
- methyl ester
- methylacetylence
- methylate
- methylation
- methylnaphthalene
- metric ton
- mezoseismic area
- miarolitic cavity
- mica paint
- micaceous
- micaceous structure
- micellar
- microchip shield
- microconglomerate
- microcrypto-crystalline
- microfoam rubber
- microfossil
- microgranitic texture
- micrographic texture
- micronize
- microperthite
- microphanitic texture
- microphyric
- microspore
- middle course
- middlings
- miesite
- migmatization
- mine digger
- mine pump
- mine road
- mineral additive
- mineral association
- mineral caoutchouc
- mineral coal
- mineral facies
- mineral filler
- mineral glycerine
- mineral manure
- mineral naphtha