Tannin

['tænɪn]

解释:

(noun.) any of various complex phenolic substances of plant origin; used in tanning and in medicine.

编辑:梅根--From WordNet

解释:

(n.) Same as Tannic acid, under Tannic.

艾丽萨校对

解释:

n. an astringent substance found largely in oak-bark or gall-nuts of great use in tanning.—n. Tann′ate a salt of tannic acid.—adjs. Tann′ic; Tannif′erous yielding tannin.—n. Tan′-ride an enclosure spread with tan for riding.—Tannic acid an acid forming the astringent principle of the bark of oak and other trees used in tanning and in medicine.

克莱儿整理