roccellic acid

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From French roccellique, from roccelle (archil), from Italian roccella, from rocca (a rock), because archil grows on rock.


roccellic acid (uncountable)

  1. (chemistry) A dibasic acid, C17H32O4, of the oxalic series, found in archil (Roccella tinctoria, etc.), and other lichens.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.