compass deflection

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. The [[difference]], expressed in degrees, between the direction a [[magnetic compass]] needle points and true or astronomical north; [[magnetic declination]].
2. Differences, expressed in degrees, between magnetic north directions and the direction a magnetic compass points, owing to local magnetic interferences; [[magnetic deviation]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.