Final answer:
Timbre refers to the quality or characteristic of a sound. The whole tone scale can be described using adjectives like dreamy, ethereal, or mysterious.
Step-by-step explanation:
Timbre refers to the quality or characteristic of a sound that helps us distinguish between different instruments or voices. When describing the sound of the whole tone scale, it would depend on the specific instrument or voice producing the scale. However, some possible adjectives to describe the timbre of the whole tone scale could be dreamy, ethereal, or mysterious.