timbre
US /ˈtæm.bɚ/
UK /ˈtæm.bɚ/

1.
timbre
the character or quality of a musical sound or voice as distinct from its pitch and intensity
:
•
The unique timbre of her voice made her stand out in the choir.
Le timbre unique de sa voix la distinguait dans le chœur.
•
Different instruments have distinct timbres.
Différents instruments ont des timbres distincts.