| 释义 |
tannic acidn.（名词）- A white or yellowish astringent powder, C14H 10O 9, derived from nutgalls and used as a denaturant and in tanning and textiles. 鞣酸：一种白色或淡黄色的收敛性粉末，分子式为C14H 10O 9，从核果瘤中提取，被用作一种变性剂，并在鞣革和纺织中得到应用
- A lustrous yellowish to light brown amorphous, powdered, flaked, or spongy mass having the approximate composition C76H 52O 46, derived from the bark and fruit of many plants and used in photography, as a mordant, and to clarify wine and beer. 丹宁，鞣质：一种具有光泽的浅黄到淡褐色无固定形状的物质，呈粉状、片状或海绵状，具有类似C76H 52O 46的结构，可从许多植物的皮和果实中提取，被用在摄影中，还被用作一种酸洗剂和用来澄清葡萄酒和啤酒
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