1. Relating to harmony or harmonics in music; characterized by agreement or pleasing combination of sounds
The harmonic progression created a beautiful musical effect.
A progressão harmônica criou um belo efeito musical.
2. In physics, relating to a harmonic oscillation or harmonic series; a frequency that is a multiple of a fundamental frequency
The second harmonic has twice the frequency of the fundamental.
O segundo harmônico tem o dobro da frequência do fundamental.
3. Relating to or characterized by harmony; consonant, compatible
They maintained a harmonic relationship based on mutual respect.
Eles mantinham uma relação harmônica baseada no respeito mútuo.