Found 2 items, similar to magnetic declination.
English → English (WordNet) Definition: magnetic declination magnetic declination n : the angle (at a particular location) between magnetic north and true north [syn: magnetic variation, variation]
English → English (gcide) Definition: magnetic declination magnetic declination \magnetic declination\ n. The angle (at a particular location) between magnetic north and true north; called also magnetic variation. [WordNet 1.5]