H4A1R1M3O1N1I1C3
15 points
HARMONIC is validvalid
an overtone [n HARMONICS]
in harmony [adj HARMONICALLY] / a musical tone with a frequency that is a multiple of the fundamental frequency [n -S]
an overtone [n HARMONICS]
in harmony [adj HARMONICALLY] / a musical tone with a frequency that is a multiple of the fundamental frequency [n -S]