agonic

American  

[ey-gon-ik] / eɪˈgɒn ɪk /

adjective

Mathematics Now Rare.

1. not forming an angle.

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agonic British  

/ əˈɡɒnɪk, eɪˈɡɒnɪk /

adjective

1. forming no angle

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Etymology

Origin of agonic

First recorded in 1800–10; from Greek ágōn(os) ( a- a- ⁶ + gōn- derivative stem akin to góny knee ) + -ic

Example Sentences

Agonic, ag′on-ik, adj. having or making no angle.—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.

From Project Gutenberg

These two observations, one by Columbus and the other by Cabot, sufficed to determine the position of the agonic line, or line of no variation, for that locality and epoch.

From Project Gutenberg

For Spanish Philosopher Miguel de Unamuno, who died in 1936 at the age of 72, life's true meaning lay in what he called "agonic struggle."

From Time Magazine Archive

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

From Project Gutenberg