agonic line

Definitions

  • WordNet 3.6
    • n agonic line an imaginary line connecting points on the Earth's surface where the magnetic declination is zero
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Webster's Revised Unabridged Dictionary
    • Agonic line (Physics) an imaginary line on the earth's surface passing through those places where the magnetic needle points to the true north; the line of no magnetic variation. There is one such line in the Western hemisphere, and another in the Eastern hemisphere.
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Chambers's Twentieth Century Dictionary
    • Agonic line the line of no magnetic variation—an irregular line passing through the magnetic poles of the earth, along which the magnetic needle points directly north or south
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Etymology

Chambers's Twentieth Century Dictionary
Gr. agōnos; a, neg., gōnia, angle.

Usage

In literature:

I gave them the details of my strength and heard an agonized whistle at the other end of the line.
"Mr. Standfast" by John Buchan
It hovered right over the center of the line of ponies for an agonizing second, then swept down on them.
"The Pony Rider Boys in Alaska" by Frank Gee Patchin
Already she could hear the agonized voice of the prompter whispering her lines, which he naturally supposed her to have forgotten.
"The Camp Fire Girls' Careers" by Margaret Vandercook
The agonic line is slowly moving westward.
"Physics" by Willis Eugene Tower
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In news:

The City Council's agonizing redistricting process drags on this week as it weighs several competing maps that would redraw the lines of the district seats in time for next year's election.
Soccer's authorities spent years agonizing over whether to introduce goal line technology, yet its use would not have solved any of the recent refereeing controversies which have blown up in Italy, England and Brazil.
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