true north

noun, Navigation, Surveying

the direction of the north pole from a given point.

Examples from the web for true north

But they were not pointing to true north, which they could have located using the sun as reference.
His intention to write well remained his true north.
Magnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north.
Magnetic declination is the angle between magnetic north and true north.
Describe the magnitude of the eccentricity by including a sketch and measurements, noting the alignment from true north.
Most surveys will need to be rotated due to differences between magnetic and true north and other inaccuracies.
The rise and set azimuths show the angle that the sun rises and sets with respect to true north.
Wind directions are always reported with respect to true north.

British Dictionary definitions for true north

noun

the direction from any point along a meridian towards the North Pole Also called geographic north Compare magnetic north

Contemporary definitions for true north

noun

the direction of the geographical North Pole from a given point

Examples

True north corresponds to the North Pole and magnetic north corresponds to the north magnetic pole.

true north in Science

true north
See geographic north.