isogonic

[ahy-suh-gon-ik]

Origin of isogonic

< Greek isogṓn(ios) having equal angles (see iso-, -gon) + -ic
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British Dictionary definitions for isogonic

isogonic

isogonal (aɪˈsɒɡənəl)

adjective
  1. maths having, making, or involving equal angles
noun
  1. Also called: isogonic line, isogonal line, isogone physics an imaginary line connecting points on the earth's surface having equal magnetic declination
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