tincture
noun /ˈtɪŋktʃə(r)/
  /ˈtɪŋktʃər/
[countable, uncountable] (specialist)- a substance dissolved in alcohol for use as a medicine
- a tincture of morphine
 - medicine given in powder or tincture form
 - Herbal remedies are usually dispensed as tinctures.
 - Use 30ml tincture of myrrh.
 
Word Originlate Middle English (denoting a dye or pigment): from Latin tinctura ‘dyeing’, from tingere ‘to dye or colour’.