anharmonic

American  

[an-hahr-mon-ik] / ˌæn hɑrˈmɒn ɪk /

adjective

Physics.

1. of or relating to an oscillating system that is not undergoing simple harmonic motion.

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anharmonic British  

/ ˌænhɑːˈmɒnɪk /

adjective

1. physics of or concerned with an oscillation whose frequency is not an integral factor or multiple of the base frequency

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Etymology

Origin of anharmonic

an- ¹ + harmonic; modeled on French anharmonique

Example Sentences

Thus, the anharmonic ratio of any four elements of a form is equal to the anharmonic ratio of the corresponding four elements in any form projectively related to it.

From An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman

The author has never felt satisfied with the usual treatment of that subject by means of circles and anharmonic ratios.

From An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman

The locus of points from which four points in a plane are seen along four rays of constant anharmonic ratio is a conic through the four points.

From An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman

These were found in the anharmonic ratio, a device leading to the liberation of synthetic geometry from metrical relations, and in involution, which yielded rigorous definitions of imaginaries.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various