(music) The musical interval equal to one quarter of a tone or 1/24 of an octave; half a semitone.

(phonetics) A form of downdrift in which the high or mid tones, but not the low tone, shift downward in pitch after certain other tones. The result is that a tone may be realized at a certain pitch over a short stretch of speech, shifts downward and then continues at its new level, then shifts downward again, until the end of the prosodic contour is reached, at which point the pitch resets.

(phonology) A morpheme or element of a morpheme that contains no consonants or vowels, but only tone. It cannot be pronounced by itself, but affects the tones of neighbouring morphemes.

Synonym of timbre (“quality of a sound independent of its pitch and volume”)

(derogatory) Insistence that another party in a discussion adopts an unconfrontational or relaxed attitude.

present participle of tone police

Paper having a slight tint, in distinction from paper which is quite white.

(UK) Alternative form of dial tone

A village and civil parish in Somerset West and Taunton district, Somerset, England (OS grid ref ST1722).

Any of various deep, rich hues.