[ awr-suh-nawl, -nol ]
/ ˈɔr səˌnɔl, -ˌnɒl /
a white, crystalline, water-soluble solid, C7H8O2, sweet but unpleasant in taste, that reddens on exposure to air: obtained from many lichens or produced synthetically and used chiefly as a reagent for certain carbohydrates.
Also or·cin [awr-sin] /ˈɔr sɪn/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for orcin
In both cases, if the ebullition is too long continued, the new acid is wholly or in part converted into orcin.Cooley's Practical Receipts, Volume II|Arnold Cooley
British Dictionary definitions for orcin
/ (ˈɔːsɪˌnɒl) /
a colourless crystalline water-soluble solid that occurs in many lichens and from which the dyes found in litmus are derived. Formula: CH 3 C 6 H 3 (OH) 2
Word Origin for orcinol
C20: from New Latin orcina, from Italian orcello orchil
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