the resonance of a sound is its quality of being deep and loud and continuing for a long time
2 [uncountable and countable] formal
the special meaning or importance that something has for you because it relates to your own experiences:
a tradition that has little resonance in the 21st century
His words will have resonance for many musicians.
3 [uncountable and countable] technicalCHP
sound that is produced or increased in one object by sound waves from another object