Definition of isogonic in English:


Line breaks: iso|gon¦ic
Pronunciation: /ˌʌɪsə(ʊ)ˈgɒnɪk


  • Indicating or connecting points of the earth’s surface at which the magnetic declination is the same.
    More example sentences
    • By 1701 Edmond Halley had dashed these hopes, showing that in the western North Atlantic, for instance, the isogonic lines (of constant variation) run almost east-west and so are independent of longitude.


mid 19th century: from Greek isogōnios 'equiangular' + -ic.

More definitions of isogonic

Definition of isogonic in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little