- mineral product
- mineral rights
- mineral seal
- mineral wool
- minimum
- minimum stress
- mining engineer
- mining explosive
- mining geography
- mining property
- minor mineral
- miscellaneous
- miscibility gap
- miscible solvent
- misfit river
- mispickel
- Missourian stage
- mist preventive
- mitre gear
- mixable
- mixed ore
- mixing drum
- mixing tap
- mixing technique
- modderite
- moderate coolant
- moderated reactor
- moderator
- modern era
- modified
- modified cement
- modulated structure
- modulating wave
- modulation code
- Modulus
- mofette
- moissannite
- moisture equivalent
- moisture film
- moisture loss
- molality
- molar solution
- molasse
- mold oil
- mold shrinkage
- molding cycle
- mole ratio
- molecular dispersion
- molecular flow
- molecular formula
- molecular spectrum
- molybdenum
- molybdenum steel
- monad
- monad nock
- mondhaldeite
- money income
- monkey board
- monkey spanner
- mono bromobenzene
- mono-film
- mono-substitution
- monoacidic
- monoamide
- monocable tramway
- monochrome
- monoclinal valley
- monocyclic
- monofilament
- monogenetic
- monogenic breccia
- monogeosyncline
- monolinic system
- monomer
- monomineral rock
- monomolecular film
- monomolecular layer
- monotropic reaction
- montan wax
- molecular action
- molecular dimensions
- molecular group
- molecular replacement
- molecular solution
- Mollier diagram
- molybdenite
- molybdenum disulfide
- molybdomenite
- moment curve
- monazite
- monitor
- monkey drift
- monkey wrench
- mono-frequency
- monoacetin
- monoacid
- monoclinal structure
- monocrystal
- monogen
- monogenic