Harmonic twang! of leather, horn, and brass. --Pope.
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.
{Harmonic interval} (Mus.), the distance between two notes of
a chord, or two consonant notes.
{Harmonical mean} (Arith. & Alg.), certain relations of
numbers and quantities, which bear an analogy to musical
consonances.