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Ancient Greek pitch + beautiful: compare French pittacale.


pittacal (uncountable)

  1. (organic chemistry) A dark blue dyestuff obtained from wood-tar oil, the first to be commercially produced.

Related terms[edit]

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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.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 pittacal in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)