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tonic

/ˈtɒnɪk/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about tonic at Wordnik → Where our words come from →

  1. Lime- or lemon-flavored carbonated water containing quinine.
  2. A sweet drink containing carbonated water and flavoring.
    in New England they call sodas tonics
  3. (music) the first note of a diatonic scale.

adjective

  1. Of or relating to or producing normal tone or tonus in muscles or tissue.
    a tonic reflex
  2. Employing variations in pitch to distinguish meanings of otherwise similar words.
    Chinese is a tonal language
  3. (used of syllables) bearing the principle stress, usually accompanied by a change in pitch.
    a tonic syllables carries the main stress in a word

Origin

From Ancient Greek τονικός (tonikós), from τόνος (tónos). 17th century writers believed health to be derived from firmly stretched muscles, thus tonic; the extension of tonic medicine appeared in the late 18th century. By surface analysis, ton(e) + -ic.

From Wiktionary, via Kaikki.org (CC BY-SA)