Definitions
from The Century Dictionary.
- Pertaining to or derived from wool: as, lanuginic acid.
Etymologies
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Examples
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From its behaviour with the dyes, and with tannic acid and metallic salts, it would appear that lanuginic acid contains both acidic and basic groups.
The Dyeing of Woollen Fabrics Franklin Beech
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A further proof of the acid nature of lanuginic acid is that wool may be dyed a fine magenta colour in a colourless solution of rosaniline base; for since rosaniline base is colourless, and it only forms a colour when combined with acids, the fibre has evidently acted the part of an acid in the combination.
The Dyeing of Woollen Fabrics Franklin Beech
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Dr. Knecht has isolated from the wool fibre by extraction with alkalies and precipitation with acids a substance to which the name of lanuginic acid has been given.
The Dyeing of Woollen Fabrics Franklin Beech
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