|1.||a medicinal preparation intended to improve and strengthen the functioning of the body or increase the feeling of wellbeing|
|2.||anything that enlivens or strengthens: his speech was a tonic to the audience|
|3.||Also called: tonic water a mineral water, usually carbonated and containing quinine and often mixed with gin or other alcoholic drinks|
|a. the first degree of a major or minor scale and the tonal centre of a piece composed in a particular key|
|b. a key or chord based on this|
|5.||a stressed syllable in a word|
|6.||serving to enliven and invigorate: a tonic wine|
|7.||of or relating to a tone or tones|
|8.||music of or relating to the first degree of a major or minor scale|
|9.||of or denoting the general effect of colour and light and shade in a picture|
|10.||physiol of, relating to, characterized by, or affecting normal muscular or bodily tone: a tonic spasm|
|11.||of or relating to stress or the main stress in a word|
|12.||denoting a tone language|
|[C17: from New Latin tonicus, from Greek tonikos concerning tone, from tonos|
tonic ton·ic (tŏn'ĭk)
Of or producing tone or tonicity in muscles or tissue.
Characterized by continuous tension or contraction of muscles, as a convulsion or spasm.
Producing or stimulating physical, mental, or emotional vigor.
in music, the first note (degree) of any diatonic (e.g., major or minor) scale. It is the most important degree of the scale, serving as the focus for both melody and harmony. The term tonic may also refer to the tonic triad, the chord built in thirds from the tonic note (as C-E-G in C major). See also tonality.
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