tonic sol-fa see under tonic

tonic /tonˈik/

1. Relating to tone or tones
2. Producing tension, eg of the muscles
3. Giving tone and vigour to the system (medicine)
4. Giving or increasing strength
5. Of or being the first note of a scale (music)
6. Of or relating to the main or primary stress on a word

1. A medicine that invigorates and strengthens
2. Any person or thing that enlivens or invigorates
3. The first note of a scale, a keynote (music)
4. A key or chord based on the keynote (music)
5. Tonic water
6. A stressed syllable in a word

tonicity /ton-isˈi-ti/ noun

1. The property or condition of having tone
2. Mode of reaction to stimulus
3. The healthy elasticity of muscular fibres when at rest

tonic accent noun

Emphasis given to a particular syllable through a change in pitch

tonic sol-fa noun (music)

A system of notation and teaching devised by Sarah Glover (1785–1867) and developed by John Curwen (1816–80), using modified sol-fa syllables and their initial letters for the notes of the scale with doh (see doh¹) as the keynote for the major keys and lah (see la¹) for the minor, and dividing the bar by colons, dots and inverted commas

tonic spasm noun (medicine)

A prolonged uniform muscular spasm, opp to clonic spasm or clonus

tonic water noun

Aerated quinine water