'magnetic declination' definitions:
Definition of 'magnetic declination'
From: WordNet
noun
The angle (at a particular location) between magnetic north and true north [syn: magnetic declination, magnetic variation, variation]
Definition of 'magnetic declination'
From: GCIDE
- magnetic declination \magnetic declination\ n. The angle (at a particular location) between magnetic north and true north; called also magnetic variation. [WordNet 1.5]