- noun the quality of a sound that can be identified by the human ear, e.g. that of a musical note which when played on two different musical instruments will not sound the same
- noun the shape of a particular sound that can be identified by the human ear
- The characteristics or qualities of a sound which enable distinguishing it from other sounds having the same pitch and loudness. The harmonic composition of a sound, and the intensity and phase relationships between said harmonics affect the timbre of a sound.