Definitions
from The Century Dictionary.
- Derived from galls and consisting of tannin: used only in the following phrase.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Chem.) Pertaining to the tannin or nutgalls.
- adjective See Tannic acid, under
Tannic .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective chemistry, archaic Pertaining to the
tannin ornutgalls .
Etymologies
Sorry, no etymologies found.
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Examples
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It is by the action of tannin (gallotannic acid) on the ferric oxides thus formed that the black is produced, and by that of catechu-tannic acid contained in the extract of catechu that one obtains a dark green, almost black color.
Photographic Reproduction Processes Peter C. Duchochois
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