China 
Africa 
- Motile
- Motility
- Motion
- Motion JPEG
- Motion capture
- Motion compensation
- Motion control
- Motion controllers
- Motion detection
- Motion detectors
- Motion estimation
- Motion field
- Motion planning
- Motion sickness
- Motive
- Motor control center
- Motor controller
- Motor cortex
- Motor drive
- Motor fuel
- Motor imagery
- Motor learning
- Motor nerve
- Motor neuron
- Motor oil
- Motor program
- Motor proteins
- Motor system
- Motor unit
- Motor unit recruitment
- Motor vehicle
- Motor-CAD
- Motorcycle engine
- Mott insulators
- Mott scattering
- Moulins
- Mount
- Mount Isa Mines
- Mountain bike
- Mountain building
- Mountain passes
- Mountain pine beetle
- Mountain top removal
- Mouse
- Mouse tracking
- Mouth bars
- Mouth breathing
- Mouth ulcers
- Mouthfeel
- Move
- Moving average
- Moving average model
- Moving block
- Moving frames
- Moving horizon estimation
- Moving load
- Moving map display
- Moving object detection
- Moving parts
- Moving shock
- Moving-average model
- Mph
- MreB
- Mu-metal
- MuPAD
- Mucin
- Mucinous carcinoma
- Mucoadhesive
- Mucociliary clearance
- Muconic acid
- Mucor miehei
- Mucorales
- Mucosal immunity
- Mucositis
- Mucous membranes
- Mucus
- Mud
- Mud cake
- Mud motor
- Mud pump
- Mud volcanoes
- Mud weight
- Mudbrick
- Mudflows
- Mudrock
- Mudslides
- Mudstone
- Muffle furnace
- Muffler
- Mulch
- Mulliken population analysis
- Mullite
- Multi expression programming
- Multi-access edge computing
- Multi-agent planning
- Multi-agent reinforcement learning
- Multi-agent systems
- Multi-angle imaging spectroradiometer
- Multi-armed bandit
- Multi-attribute utility
- Multi-chip module
- Multi-compartment model
- Multi-component reactions
- Multi-core
- Multi-core processor
- Multi-factor authentication
- Multi-frequency
- Multi-hop routing
- Multi-index
- Multi-index notation
- Multi-junction solar cells
- Multi-label classification
- Multi-level converter
- Multi-master
- Multi-mode optical fiber
- Multi-objective linear programming
- Multi-objective optimization
- Multi-source
- Multi-stage flash distillation
- Multi-tap
- Multi-task learning
- Multi-tenancy
- Multi-threshold CMOS
- Multi-tool
- Multi-touch
- Multi-user
- Multi-user MIMO
- Multi-valve
- Multibeam echosounders
- Multibody dynamics
- Multibody simulation
- Multibody system
- Multibus
- Multicast
- Multicast address
- Multicellular
- Multicellular organisms
- Multichannel analyzer
- Multiclass classification
- Multicollinearity
- Multicopper oxidase
- Multidimensional analysis
- Multidimensional scaling
- Multidimensional signal processing
- Multidimensional systems
- Multidrug resistance
- Multidrug-resistant bacteria
- Multiferroic
- Multiferroics
- Multifocal intraocular lens