Absinthin is a naturally produced sesquiterpene lactone from the plant Artemisia absinthium (Wormwood). It constitutes one of the most bitter chemical agents responsible for Absinthe`s distinct taste. The compound shows biological activity and has shown promise as an anti-inflammatory agent, and should not to be confused with thujone, a neurotoxi....
• (n.) The bitter principle of wormwood (Artemisia absinthium).
Ab·sin'thin noun (Chemistry) The bitter principle of wormwood ( Artemisia absinthium ). Watts. 
Type: Term Pronunciation: ab′sin-thin Definitions: 1. A bitter principle obtained from absinthium.