quassia

• 指苦木科苦木属（Quassia）和苦木属近缘植物（Picrasma）的木材和树皮中提取的苦味化合物，用作杀虫剂、滋补剂和驱虫药；也指产生这种苦味药物和珍贵细纹淡黄色木材的南美灌木或小乔木。

A noun referring to a bitter compound extracted from the wood and bark of trees of the genera Quassia and Picrasma, used as an insecticide, tonic, and vermifuge; also denotes the handsome South American shrub or small tree that yields this bitter drug and a valuable fine-grained yellowish wood.

1. Bitter tonic and insecticideC2formalmedical

   A bitter substance extracted from the wood and bark of trees of the genera Quassia and Picrasma, used as an insecticide, a tonic, and a vermifuge.

   苦味补药与杀虫剂

   • Quassia has been traditionally used as a natural insecticide in gardens.
   • The bitter taste of quassia makes it effective as a digestive tonic.
   • Some herbal remedies include quassia to treat intestinal worms.

2. South American treeC2formalscientific

   A handsome South American shrub or small tree with bright scarlet flowers, yielding a fine-grained yellowish wood and the bitter drug quassia from its wood and bark.

   南美苦木树

   • The quassia tree is admired for its vibrant scarlet flowers.
   • The wood of the quassia tree is valued for its fine grain and yellowish color.
   • In South America, the quassia tree is cultivated both for its beauty and its medicinal bark.

   同义词bitterwood