1. medicinal substances that restore or give a feeling of vigor or well-being
2. carbonated water used as a mixer with alcoholic drinks
3. the first note of a musical scale; keynotes
Usage: music

Examples

• The doctor prescribed herbal tonics to help restore her energy.
• She kept several bottles of tonics in her medicine cabinet.
• The bartender mixed gin with tonics for the cocktails.
• We need more tonics for the party drinks.
• The pianist emphasized the tonics in each musical phrase.
• These tonics helped me feel stronger after my illness.