Definition that contains magnetic north
- variation the angle (at a particular location) between magnetic north and true north
- compass card compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
- magnetic variation the angle (at a particular location) between magnetic north and true north
- mariner's compass compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
- magnetic compass compass based on an indicator (as a magnetic needle) that points to the magnetic north
- magnetic declination the angle (at a particular location) between magnetic north and true north