Etymology

tannic acid

Today it means: Any of various complex phenols extracted from the bark or galls of trees and used in tanning. Full definition →

French acide tannique
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The story

  1. French · calque ofacide tannique
  2. English todaytannic acid

Calque of French acide tannique, introduced 1834 by the French chemist Théophile-Jules Pelouze.

Etymology from Wiktionary, CC BY-SA 4.0.