- The C clef positioned to indicate that the fourth line from the bottom of a staff represents the pitch of middle C.次中音谱号：表示从底线向上的第四根线代表中音C的C型谱号
- magnetic levitation
- magnetic lines of force
- magnetic meridian
- magnetic mine
- magnetic moment
- magnetic monopole
- magnetic needle
- magnetic north
- magnetic permeability
- magnetic pole
- magnetic pyrites
- magnetic recording
- magnetic resonance
- magnetic resonance imaging
- magnetics
- magnetic storm
- magnetic tape
- magnetic variation
- magnetisation
- magnetise
- magnetism
- magnetisms
- magnetite
- magnetites
- magnetization