vulpic acid

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vulpic acid (uncountable)

  1. (chemistry) An acid obtained from the lichen Cetraria vulpina as a yellow or red crystalline substance which on decomposition yields pulvinic acid.

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for vulpic acid in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)