harmonic

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har·mon·ic

(har-mon'ik),
A component of complex sound, the frequency of which is a multiple of the fundamental frequency, which is also called the first harmonic; the second harmonic has twice the frequency of the fundamental, and so forth.

harmonic

In physics, concerning wave forms, an oscillation or frequency that is a whole number multiple of the basic frequency.
References in periodicals archive ?
This phenomenon could be described similarly to a sum of two or more harmonic waves having nearly equal frequencies.
In this study an analytical explicit solution of the counter-propagation and interaction of waves is derived for the case of harmonic waves
The counter-propagation of two harmonic waves in the material is studied by 20 different excitation amplitudes [5] from the interval 0.