- mature
- matured cement
- matured wood
- maturing
- maturity structure
- maul
- maximal deflection
- maximize
- maximize button
- maximum capacity
- maximum density
- maximum error
- maximum flow
- maximum gradient
- maximum head
- maximum load
- maximum occupancy
- maximum slope
- maximum speed
- maximum stresses
- Maxwell diagram
- Maxwell model
- mazut
- MDI form
- mean
- mean humidity
- mean line
- meander
- measurability
- measured
- measured angle
- measured mile
- measurement
- measurement accuracy
- marly dolomite
- marly wool
- marquetry
- marriage
- marriage rate
- mars
- marsh area
- marsh mart
- Marshall test
- marshalling siding
- marshy soil
- Martin steel
- mascaron
- masking
- masking tape
- masonry anchor
- masonry arch
- masonry bridge
- masonry column
- masonry construction
- masonry drill
- masonry foundation
- masonry nail
- masonry panel
- masonry saw
- masonry work
- mass
- mass load
- mass production
- massacre
- massiveness
- mast arm
- mast chord
- mast top
- master cylinder
- master keying
- master page
- master pin
- master plan
- master shape
- master tap
- masterpiece
- mastic asphalt
- mastic compound
- mastic cooker
- mat
- mat foundation
- mat grinding
- mat reinforcement
- mat surfacing
- match
- match lines
- match operation
- matched
- matched board
- matched ceiling
- matcher
- matchet
- matching
- matching impedance
- matching machine
- material axis
- material balance
- material bill
- mechanical demolition
- mechanical equivalent