isogonal line isogonal • isogonality · · · Info · Definitions · Synonyms · Characters · · isogonal line · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) an imaginary line connecting points on the Earth's surface where the magnetic declination is the same. Synonyms: isogonic line, isogonal line, isogone. · · Noun Definition 1 Synonyms · · · isogonic line · · Synonym 1 isogone · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073