isogonic line
noun Date: circa 1859 an imaginary line or a line on a map joining points on the earth's surface at which the magnetic declination is the same — called also isogonal

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • isogonic line — noun an imaginary line connecting points on the Earth s surface where the magnetic declination is the same • Syn: ↑isogonal line, ↑isogone • Hypernyms: ↑line * * * noun Etymology: isogonic (I) …   Useful english dictionary

  • isogonic line — izogona statusas T sritis fizika atitikmenys: angl. isogon; isogonal; isogonic line vok. Isogone, f; Linie gleicher Deklination, f rus. изогона, f; кривая равного отклонения, f pranc. courbe isogonique, f; isogone, f; ligne isogonique, f …   Fizikos terminų žodynas

  • isogonic line — noun A line on a chart or map showing points of constant magnetic declination. See Also: isogonal, isogon, agonic line …   Wiktionary

  • isogonic — [ī säg′ə nəlī΄sō gän′ik, ī΄səgän′ik] adj. [ ISO + GON + IC] 1. of or having equal angles 2. connecting or showing points on the earth s surface having the same magnetic declination [isogonic lines on a map] 3. of or having to do with isogony:… …   English World dictionary

  • isogonic — adjective a) Describing imaginary lines connecting points on the earths surface of identical magnetic declination. b) Having equal angles. Syn: isogonal See Also: isogonic line, agonic line …   Wiktionary

  • isogonic — /uy seuh gon ik/, adj. 1. having or pertaining to equal angles. 2. noting or pertaining to an isogonal line. n. 3. See isogonal line. [ < Gk isogón(ios) having equal angles (see ISO , GON) + IC] * * * …   Universalium

  • isogonic — i•so•gon•ic [[t]ˌaɪ səˈgɒn ɪk[/t]] adj. 1) math. having or pertaining to equal angles 2) math. noting or pertaining to an isogonal line 3) geo isogonal line …   From formal English to slang

  • isogonic — [ˌʌɪsə(ʊ) gɒnɪk] adjective Geography denoting a line on a map connecting points at which the magnetic declination is the same. Origin C19: from Gk isogōnios equiangular + ic …   English new terms dictionary

  • Contour line — This article is about lines of equal value in maps and diagrams. For more meanings of the word contour , see Contour (disambiguation). The bottom part of the diagram shows some contour lines with a straight line running through the location of… …   Wikipedia

  • isogonal line — noun an imaginary line connecting points on the Earth s surface where the magnetic declination is the same • Syn: ↑isogonic line, ↑isogone • Hypernyms: ↑line * * * an imaginary line, or one drawn on a map, connecting all points of equal magnetic… …   Useful english dictionary

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