cinchona bark
Noun
Meaning
medicinal bark of cinchona trees; source of quinine and quinidine
Source: WordNetSynonyms
Hypernyms
Examples
During World War I and World War II, inconsistent supplies of the natural anti-malaria drugs cinchona bark and quinine prompted substantial funding into research and development of other drugs and vaccines.
The Dutch government persisted in its attempt to smuggle the seeds, and by the 1930s Dutch plantations in Java were producing 22 million pounds of cinchona bark, or 97% of the world's quinine production.