- an unstable organic acid, C3H6S2O, the methyl and ethyl esters of which are colorless, oily liquids with a penetrating odor.
Origin of xanthic acid
First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of a class of organic sulphur-containing acids with the general formula ROC(S)SH, where R is an organic group
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