A musical note produced by a number of vibrations which is a multiple of the number producing some other; an overtone. See Harmonics.
Alt. of Harmonical
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
\har*mon"ic\ (?), harmonical \har*mon"ic*al\ (&?;), a. [l. harmonicus, gr. &?;; cf. f. harmonique. see harmony.]
1. concordant; musical; consonant; as, harmonic sounds. harmonic twang! of leather, horn, and brass.
2. (mus.) relating to harmony, -- as melodic relates to melody; harmonious; esp., relating to the accessory sounds or overtones which accompany the predominant and apparent single tone of any string or sonorous body.
3. (math.) having relations or properties bearing some resemblance to those of musical consonances; -- said of certain numbers, ratios, proportions, points, lines. motions, and the like.
interval (mus.), the distance between two notes of a chord, or two consonant notes.
spherical harmonic analysis