English dictionary

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English adjective: tonic

1. tonic of or relating to or producing normal tone or tonus in muscles or tissue

SamplesA tonic reflex.
Tonic muscle contraction.

Domain categoryphysiology

2. tonic employing variations in pitch to distinguish meanings of otherwise similar words

SamplesChinese is a tonal language.


3. tonic used of syllables

SamplesA tonic syllables carries the main stress in a word.


Antonymsunaccented, atonic

4. tonic relating to or being the keynote of a major or minor scale

SamplesTonic harmony.


Antonymsatonal, unkeyed

5. tonic imparting vitality and energy

SamplesThe bracing mountain air.

Synonymsbracing, brisk, fresh, refreshful, refreshing



English noun: tonic

1. tonic (food) lime- or lemon-flavored carbonated water containing quinine

Synonymsquinine water, tonic water

Broader (hypernym)soft drink

Substance holonymquinine

Substance meronymgin and tonic

2. tonic (food) a sweet drink containing carbonated water and flavoring

SamplesIn New England they call sodas tonics.

Synonymspop, soda, soda pop, soda water

Broader (hypernym)soft drink

Substance holonymcarbonated water, club soda, seltzer, soda water, sparkling water

3. tonic (communication) (music) the first note of a diatonic scale


Broader (hypernym)musical note, note, tone

Narrower (hyponym)C

Domain categorymusic

4. tonic (artifact) a medicine that strengthens and invigorates


Broader (hypernym)medicament, medication, medicinal drug, medicine

Narrower (hyponym)bracer, pick-me-up

Based on WordNet 3.0 copyright © Princeton University.
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