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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.

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

"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

Etymology

Origin of anharmonic

an- 1 + harmonic; modeled on French anharmonique

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.