Definitions
from The Century Dictionary.
- Having equal angles.
- noun An isogonic line.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective cartography, navigation Describing lines connecting points on the earth's surface whose
magnetic declination is identical. - adjective geometry Having equal
angles .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From isogon + -al.
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Examples
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Yet Cornelius Schouten, on Easter Sunday, 1616, appears to have found the declination null somewhere to the southeast of Nukahiva, in 15 degrees south lat. and 132 degrees west long., and consequently in the middle of the present closed isogonal system.
COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814
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