different between declination vs isogon

English

Etymology

From Middle English declinacioun, borrowed from Middle French declination, from Latin declinatio. Doublet of declension

Pronunciation

• (UK) IPA^(key): /?d?kl??ne???n/
• Rhymes: -e???n

Noun

declination (countable and uncountable, plural declinations)

1. At a given point, the angle between magnetic north and true north.
2. At a given point, the angle between the line connecting this point with the geographical center of the earth and the equatorial plane.
3. A refusal.
   • 1746, Arthur Collins, Letters And Memorials Of State In the Reigns of Queen Mary

     the queen's declination from marriage

4. (grammar, obsolete) Declension.
5. (archaic) The act or state of bending downward; inclination.

   declination of the head

6. (archaic) The act or state of falling off or declining from excellence or perfection; deterioration; decay; decline.
   • 1625, Francis Bacon, Of Cunning

     the declination of monarchy

   • c. 1635, Edmund Waller, To My Young Lady Lucy Sidney

     Summer […] is not looked on as a time of declination or decay.

7. (archaic) Deviation.
   • April 4, 1692, Richard Bentley, A Confutation of Atheism

     this declination of atoms in their descent

   • November 2, 1690, Robert South, Sinners Inexcusable from Natural Religion Only

     every violation of and declination from the rules

Derived terms

• codeclination
• declinational
• magnetic declination

Related terms

• decline

Translations

Anagrams

• nonciliated

English

Etymology

iso- +? -gon

Noun

isogon (plural isogons)

1. (mathematics) An equiangular polygon.
2. (cartography, meteorology) A line of equal or constant wind direction on a graph or chart, such as a weather map.
3. (cartography, navigation) A line of equal or constant magnetic declination on a chart; an isogonic line.

Related terms

• isogonal
• isogonic

Translations

Anagrams

• Ogonis, oosing, soogin