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单词 cinchona
释义

cinchona

/sɪŋˈkəʊnə /
noun
1An evergreen South American tree or shrub with fragrant flowers, cultivated for its bark.
  • Genus Cinchona, family Rubiaceae: several species.
Malaria victims were treated with quinine, an extract from the bark of the cinchona tree....
  • In 1735, Joseph de Jussieu, a French botanist, collected detailed information about the cinchona trees.
  • And for those unfamiliar with the Peruvian national emblem, it depicts a vicuna, a horn of plenty and a cinchona tree.
1.1 [mass noun] The dried bark of the cinchona, which is a source of quinine and other medicinal substances.Hahnemann carried out tests on himself with extracts of cinchona bark, which contains quinine, and found it caused fever....
  • Homeopathy was developed in the 18th century by Dr Samuel Hahnemann after he discovered that small amounts of cinchona bark, the treatment for malaria, caused malaria-like fevers when he took it while healthy.
  • Quinine is derived from cinchona bark, and mixed with lime.

Derivatives

cinchonic

/-ˈkɒnɪk/ adjective

Origin

Mid 18th century: modern Latin, named after the Countess of Chinchón (died 1641), who was treated with a similar drug in South America.

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更新时间:2024/12/23 17:56:00