ISOGONIC

isogonic

(adjective) having or making equal angles

Source: WordNet® 3.1

Etymology

Adjective

isogonic (comparative more isogonic, superlative most isogonic)

(cartography, navigation) Describing imaginary lines connecting points on the Earth's surface of identical magnetic declination.

Synonym: isogonal

(geometry) Having equal angles.

Synonym: isogonal

(zoology) Exhibiting, or relating to, isogonism.

Noun

isogonic (plural isogonics)

(cartography, navigation) A line connecting points on the Earth's surface whose magnetic declination is identical.

Source: Wiktionary

I`so*gon"ic, a. Etym: [Iso- + Gr.

Definition: Pertaining to, or noting, equal angles. Isogonic lines (Magnetism), lines traced on the surface of the globe, or upon a chart, connecting places at which the deviation of the magnetic needle from the meridian or true north is the same.

I`so*gon"ic, a. (Zoöl.)

Definition: Characterized by isogonism.

Source: Webster’s Unabridged Dictionary 1913 Edition