Definition of "Tone" :
noun: a quality of a given color that differs slightly from another color
noun: (linguistics) a pitch or change in pitch of the voice that serves to distinguish words in tonal languages
"The Beijing dialect uses four tones."
noun: (music) the distinctive property of a complex sound (a voice or noise or musical sound)
"The muffled tones of the broken bell summoned them to meet."
noun: the quality of something (an act or a piece of writing) that reveals the attitudes and presuppositions of the author
"The general tone of articles appearing in the newspapers is that the government should withdraw."
noun: a steady sound without overtones
"They tested his hearing with pure tones of different frequencies."
noun: a musical interval of two semitones
noun: a notation representing the pitch and duration of a musical sound
noun: the quality of a person's voice
"He began in a conversational tone."
noun: the general atmosphere of a place or situation and the effect that it has on people
"A clergyman improved the tone of the meeting."
noun: the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli
verb: give a healthy elasticity to
"Let's tone our muscles."
verb: change to a color image
"Tone a photographic image."
verb: change the color or tone of
"Tone a negative."
verb: vary the pitch of one's speech
verb: utter monotonously and repetitively and rhythmically