The process of treating someone with cinchona bark or quinine, especially to cure malaria or similar fevers.
From cinchona (a South American tree) + -isation (British suffix for making or becoming). Cinchona itself was named after the Countess of Chinchón in the 17th century, though the etymology is disputed. The -isation suffix comes from Latin -izare.
This word captures a pivotal moment in medical history when Europeans first discovered that cinchona bark could cure malaria—a disease that had killed millions. The British spelling cinchonisation reflects how medicine was revolutionized by colonial trade routes bringing this tree from South America to Africa and Asia.
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