What is another word for isogonic line?
Pronunciation: [ˌa͡ɪsəɡˈɒnɪk lˈa͡ɪn] (IPA) 
An isogonic line, also known as a magnetic variation line, is a line on a map connecting points that have the same magnetic declination or variation. Declination denotes the angle between magnetic north and true north at any given location. The term isogonic line is often used interchangeably with the term agonic line. Other synonyms for isogonic line include magnetic line of variation, magnetic meridian, and magnetic deviation line. The isogonic lines are essential for aviation and nautical navigation. Understanding the synonyms of isogonic line can be beneficial for students and professionals working in the field of geology, geography, and navigation.
