'Declinometer' definitions:
Definition of 'declinometer'
(from WordNet)
noun
An instrument for measuring magnetic declination [syn: declinometer, transit declinometer]
Definition of 'Declinometer'
From: GCIDE
- Declinometer \Dec`li*nom"e*ter\, n. [Decline + -meter.] (Physics) An instrument for measuring the declination of the magnetic needle. [1913 Webster]