[hahr-mon-i-kuh] /hɑrˈmɒn ɪ kə/
Also called mouth organ. a musical wind instrument consisting of a small rectangular case containing a set of metal reeds connected to a row of holes, over which the player places the mouth and exhales and inhales to produce the tones.
any of various percussion instruments that use graduated bars of metal or other hard material as sounding elements.
Also called mouth organ. a small wind instrument of the reed organ family in which reeds of graduated lengths set into a metal plate enclosed in a narrow oblong box are made to vibrate by blowing and sucking
See glass harmonica
1762, coined by Ben Franklin as the name for a glass harmonica, from Latin fem. of harmonicus (see harmonic); modern sense of “mouth organ” is 1873, American English, earlier harmonicon (1825).
[hahr-mon-ik] /hɑrˈmɒn ɪk/ adjective 1. pertaining to , as distinguished from melody and rhythm. 2. marked by harmony; in harmony; concordant; consonant. 3. Physics. of, relating to, or noting a series of oscillations in which each oscillation has a frequency that is an integral multiple of the same basic frequency. 4. Mathematics. noun 5. Music. […]
noun, Mathematics. 1. the calculation of Fourier series and their generalization. 2. the study of Fourier series and their generalization. noun 1. the representation of a periodic function by means of the summation and integration of simple trigonometric functions 2. the study of this means of representation harmonic analysis The study of functions given by […]
plural noun, Mathematics. 1. two points whose cross ratio with two specified points equals −1.
- Harmonic distortion
noun 1. (electronics) distortion caused by nonlinear characteristics of electronic apparatus, esp of audio amplifiers, that generate unwanted harmonics of the input frequencies