tincture

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tincture

1. Pharmacol a medicinal extract in a solution of alcohol
2. a tint, colour, or tinge
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Tincture

 

a medicinal alcoholic preparation derived from raw vegetable matter. Tinctures are usually prepared by infusing the vegetable matter in ethyl alcohol or, less commonly, in a mixture of ethyl alcohol and medicinal ether. Another less common method involves dissolving an extract from the plant. Tinctures are classified as galenicals and are prescribed for internal use only.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

tincture

[′tiŋk·chər]
(materials)
A dilute solution (aqueous or aqueous alcoholic) of a drug or chemical; more dilute than fluid extracts, less volatile than spirits.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.