Noun: sonorousness só-nu-rus-nus or su'nor-us-nus [N. Amer], só-nu-rus-nus [Brit]- Having the character of a loud deep sound; the quality of being resonant
"The sonorousness of the church bells echoed through the valley";
- plangency, resonance, reverberance, ringing, sonority, vibrancy, vibrance
Type of: quality, timbre, tone