IPA: /ˌaɪzəˈɡɒnɪk/
KK: /ˌaɪsəˈɡɒnɪk/
Describing something that has equal angles or shows equivalent growth of parts while keeping size relations constant.
The isogonic lines on the map indicate areas where the angle of magnetic declination is the same.
Isogonic → It is formed from "iso-" (meaning equal) and "gonia" (from Greek, meaning angle). The word "isogonic" refers to lines or points that have equal angles, particularly in the context of navigation and geography.
Think of 'equal' ('iso-') angles ('gonia') to remember that 'isogonic' relates to equal angles.