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agonic

[ey-gon-ik]
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adjective Mathematics Now Rare.
  1. not forming an angle.
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Origin of agonic

1800–65; < Greek ágōn(os) (a- a-6 + gōn- derivative stem akin to góny knee) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for agonic

Historical Examples

  • Agonic line, line along which the needle points due north and south.

    The Nuttall Encyclopaedia

    Edited by Rev. James Wood

  • To the east of the agonic line the declination is westerly, and to the west it is easterly.

  • At present the motion of the agonic line seems to be towards the west, but it is very slow.

  • The line passing through points where the needle points north, without declination, is the agonic line.

    Physics

    Willis Eugene Tower

British Dictionary definitions for agonic

agonic

adjective
  1. forming no angle
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Word Origin

C19: from Greek agōnos, from a- 1 + gōnia angle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012