tonic

/'tɔnik/
Học thuật
Thân thiện
tonic

A person drinks a refreshing tonic on a hot day.

Definition
  1. Adjective:

    • Imparting vitality and energy; invigorating: Something that is "tonic" makes you feel healthier, stronger, or more energetic.
    • Relating to or being the keynote of a major or minor scale: In music, "tonic" refers to the first and central note of a scale, which provides a sense of rest or resolution.
    • Used of syllables: A "tonic" syllable is the one that carries the main stress or emphasis in a word.
    • Employing variations in pitch to distinguish meanings: This describes languages (like Chinese) where pitch changes can alter a word's meaning; such languages are called "tonic" or tonal.
    • Of or relating to normal muscle tone or tension: In physiology, "tonic" refers to the continuous, low-level activity or contraction in muscles or nerves that maintains posture or readiness.
  2. Noun:

    • A medicine that strengthens and invigorates: A "tonic" is a substance, often a liquid medicine, taken to make you feel healthier and more energetic.
    • (Music) The first note of a diatonic scale: The "tonic" is the foundational note (the "do" in "do-re-mi") upon which a musical key is built.
    • A sweet, flavored carbonated beverage: In some regions, especially historically, "tonic" refers to a carbonated soft drink. Specifically, it can mean a carbonated water flavored with quinine (tonic water).
Usage Examples
  • Adjective:

    • The cold shower had a tonic effect on him. (It made him feel refreshed and energetic.)
    • In the key of C major, the note C is the tonic note.
    • The word "record" has a tonic syllable on the first part when it's a noun.
    • The doctor checked the patient's tonic muscle reflexes.
  • Noun:

    • She took an herbal tonic every morning for her health.
    • The piece always resolves back to the tonic.
    • He ordered a gin and tonic at the bar. (Here, "tonic" refers to tonic water.)
Advanced Usage
  • "Tonic accent": In linguistics, this refers to the stress accent on a syllable in a word.

    • The tonic accent in the English word "photograph" falls on the first syllable.
  • "Tonic-clonic seizure": A medical term for a type of generalized seizure involving stiffening (tonic phase) and jerking (clonic phase) of muscles.

    • The patient was diagnosed with tonic-clonic epilepsy.
Variants and Related Words
  • Tonicity (n): The state of normal tension or responsiveness in muscles or tissues.

    • The doctor assessed the muscle's tonicity.
  • Tonic water (n): A carbonated soft drink containing quinine, originally used as a prophylactic against malaria and now commonly mixed with spirits.

    • She prefers her vodka with tonic water and a slice of lime.
Synonyms
  • Adjective (invigorating): Bracing, refreshing, stimulating, restorative.
  • Noun (medicine): Elixir, restorative, stimulant, pick-me-up.
  • Noun (music): Keynote.
Related Phrases and Compounds
  • Hair tonic: A liquid applied to the hair and scalp to promote growth or improve condition.

    • He uses a special hair tonic.
  • Skin tonic: A liquid used on the skin, often after cleansing, to tighten pores and refresh.

    • Apply the skin tonic with a cotton pad.
Idioms
  • "A tonic for the spirits": Something that makes you feel much happier or more cheerful.
    • Hearing the good news was a real tonic for the spirits.
tonic

A person drinks a refreshing tonic on a hot day.

Adjective
  1. imparting vitality and energy
    • the bracing mountain air
  2. relating to or being the keynote of a major or minor scale
    • tonic harmony
  3. used of syllables
    • a tonic syllables carries the main stress in a word
  4. employing variations in pitch to distinguish meanings of otherwise similar words
    • Chinese is a tonal language
  5. of or relating to or producing normal tone or tonus in muscles or tissue
    • a tonic reflex
    • tonic muscle contraction
Noun
  1. a medicine that strengthens and invigorates
  2. (music) the first note of a diatonic scale
  3. a sweet drink containing carbonated water and flavoring
    • in New England they call sodas tonics
  4. lime- or lemon-flavored carbonated water containing quinine