Definition of isogonic in English:

Share this entry

isogonic

Pronunciation: /ˌīsəˈɡänik/
(also isogonal /īˈsäɡənl/)

adjective

Geography
Indicating or connecting points of the earth’s surface at which the magnetic declination is the same.
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.

Origin

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

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.