Homonym: harmonic (Musical)
The term "harmonic" refers to a relationship or pattern that is pleasing and balanced, often used in music and mathematics. In music, harmonics are the frequencies that occur at integer multiples of a fundamental frequency, contributing to the richness of sound. For example, when a musical instrument like a guitar is played, it produces a fundamental note along with various harmonics that enhance its tone.
In mathematics, "harmonic" can describe functions or sequences that exhibit a specific regularity or symmetry. The harmonic series is a well-known example, where the sum of the reciprocals of natural numbers diverges. Additionally, in physics, harmonic motion refers to oscillations that occur in a regular, repeating pattern, such as a pendulum swinging back and forth.