santonica noun. [san'tɒnɪkǝ] M17.
[Latin Santonica (sc. herba) a kind of wormwood, fem. sing. of Santonicus pertaining to the Santoni, a Gallic tribe.]
collect. The dried flower-heads of several kinds of wormwood, esp. Artemisia cina of central Asia, used as an anthelmintic. Also called Levant wormseed.

■ 'santonin noun a soluble toxic crystalline substance, C₁₅H₁₈O₃, obtained from santonica heads and used as an anthelmintic M19.

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