angelicic acid

/AE1 NG G EH1 L IH1 S IH0 K AE0 S AH0 D/
noun
  1. 1

    (organic chemistry, obsolete) An acid with chemical formula C₁₀H₈O₄, found combined with potash in the alkaline liquor obtained by heating the balsam of angelica with caustic potash.

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