| 单词 | tannic acid |
| 释义 | tannic acid (once / 36035 pages) n WORD FAMILY tannic acid: tannic acids USAGE EXAMPLES“The tannic acids dry out the sweat glands,” she says. Wall Street Journal(Oct 17, 2016) Applying cold-brewed tea bags, which contain soothing tannic acid, to affected areas can also help dull the pain of acute sunburn. US News(Aug 24, 2016) Tannic acid released from decaying plants gives the water its coffee-colored hue. National Geographic(Mar 03, 2016) n any of various complex phenolic substances of plant origin; used in tanning and in medicine Syn|Hypo|Hyper tannin cutch, kutch tannin extract derived from any of several mangrove barks of Pacific areas catechina tannic acid that is extracted from black catechu as a white crystalline substance phenol any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups |
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