tonic

Definitions

1. 1adjective

   Of or relating to tones or sounds; specifically (Phon.), applied to, or distingshing, a speech sound made with tone unmixed and undimmed by obstruction, such sounds, namely, the vowels and diphthongs, being so called by Dr. James Rush (1833) " from their forming the purest and most plastic material of intonation."

2. 2adjective

   Of or pertaining to tension; increasing tension; hence, increasing strength; as, tonic power.

3. 3adjective

   Increasing strength, or the tone of the animal system; obviating the effects of debility, and restoring healthy functions.

4. 4noun

   A tonic element or letter; a vowel or a diphthong.

5. 5noun

   The key tone, or first tone of any scale.

6. 6noun

   A medicine that increases the strength, and gives vigor of action to the system.

7. 7noun

   a medicine that strengthens and invigorates

   Synonyms

   restorative
8. 8noun

   (music) the first note of a diatonic scale

   Synonyms

   keynote
9. 9noun

   a sweet drink containing carbonated water and flavoring

   "in New England they call sodas tonics"

   Synonyms

   popsoda
10. 10noun

    lime- or lemon-flavored carbonated water containing quinine

11. 11adjective

    imparting vitality and energy

    "the bracing mountain air"

    Synonyms

    bracingbriskfreshrefreshfulrefreshing
12. 12adjective

    used of syllables

    "a tonic syllables carries the main stress in a word"

    Synonyms

    accented
13. 13adjective

    relating to or being the keynote of a major or minor scale

    "tonic harmony"

14. 14adjective

    employing variations in pitch to distinguish meanings of otherwise similar words

    "Chinese is a tonal language"

    Synonyms

    tonal
15. 15adjective

    of or relating to or producing normal tone or tonus in muscles or tissue

    "a tonic reflex"

    "tonic muscle contraction"