Definition of tincture noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈtɪŋktʃə(r)//
; NAmE NAmE//ˈtɪŋktʃər//
[countable, uncountable] (specialist)
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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’.
See the Oxford Advanced American Dictionary entry: tincture