1560s, "relating to music," from Latin harmonicus, from Greek harmonikos "harmonic, musical, skilled in music," from harmonia (see harmony). From 1660s as "tuneful, harmonious; relating to harmony" (earlier as armonical "tuneful, harmonious," c. 1500). The noun, short for harmionic tone, is recorded from 1777. Related: Harmonically.
1. I had been looking for ways to combine harmonic and rhythmic struc-tures.
2. I had been looking for ways to combine harmonic and rhythmic structures.
3. Thus far we have negative frictional effects in the harmonic oscillator.
4. No atom behaves precisely like a classical harmonic oscillator.
5. Thus a smaller membrane gives off a higher first harmonic.