DICT.TW Dictionary Taiwan
18.117.105.184
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

3 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 gal·lo·tan·nic acid /ˌgæloˌtænɪk, ˌgɔl-/ 名詞
 沒食子鞣酸,沒食子丹寧酸,棓丹寧酸

From: Webster's Revised Unabridged Dictionary (1913)

 Tan·nic a. Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid.
 Tannic acid. Chem. (a) An acid obtained from nutgalls as a yellow amorphous substance, C14H10O9, having an astringent taste, and forming with ferric salts a bluish-black compound, which is the basis of common ink. Called also tannin, and gallotannic acid. (b) By extension, any one of a series of astringent substances resembling tannin proper, widely diffused through the vegetable kingdom, as in oak bark, willow, catechu, tea, coffee, etc.
 ◄ ►

From: Webster's Revised Unabridged Dictionary (1913)

 Gal·lo·tan·nic a.  Chem. Pertaining to the tannin or nutgalls.
 Gallotannic acid. See Tannic acid, under Tannic.
 ◄ ►