Meaning of acidulous

a•cid•u•lous

Pronunciation: (u-sij'u-lus), [key]
— adj.
  1. slightly sour.
  2. sharp; caustic: his acidulous criticism of the book.
  3. moderately acid or tart; subacid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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