| 单词 | gallic acid |
| 释义 | gallic acidnoun Chemistry.a white or yellowish, crystalline, sparingly water-soluble solid, C7H6O5, obtained from nutgalls, used chiefly in tanning and in ink dyes. Origin of gallic acidFirst recorded in 1785–95, gallic acid is from French acide gallique Words nearby gallic acidGallia, galliambic, Galliano, galliard, gallic, gallic acid, Gallican, Gallicanism, Gallice, Gallicism, Gallicize Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for gallic acidgallic acid nouna colourless crystalline compound obtained from tannin: used as a tanning agent and in making inks, paper, and pyrogallol; 3,4,5-trihydroxybenzoic acid. Formula: C 6 H 2 (OH) 3 COOH Word Origin for gallic acidC18: from French gallique; see gall ³ Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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