TONE n. 17 definitions
idered as of this or that character; as, a low, high, loud, grave, acute, sweet, or harsh tone. [Harmony divine] smooths her charming tones. Milton. Tones that with seraph hymns might blend. Keble.
ACETONE n.
A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, -- obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.