- m -

• MAGNETIC : dd4hep::CartesianField , dd4hep::OverlayedField
• MATRIX_DEFINED : dd4hep::align::GlobalAlignmentStack
• MAX_ENTITY_LENGTH : TiXmlBase
• Measurement1D : dd4hep::rec::SurfaceType
• MEDIUM_MODE : dd4hep::sim::Geant4Sensitive
• MUON : dd4hep::DetType