- Impregnate - Medicinal solution; colouring agent - Slight trace - A tinge or shade of color; a tint; as, a tincture of red. - One of the metals, colors, or furs used in armory. - The finer and more volatile parts of a substance,
separated by a solvent; an extract of a part of the substance of a body
communicated to the solvent. - A solution (commonly colored) of medicinal substance in
alcohol, usually more or less diluted; spirit containing medicinal
substances in solution.