from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A pathological condition resulting from an overdose of cinchona bark or its alkaloid derivatives and marked by headache, dizziness, hearing loss, and ringing in the ears.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A pathological condition in humans caused by an overdose of quinine or its natural source, cinchona bark.

from the GNU version of the Collaborative International Dictionary of English

  • n. A condition produced by the excessive or long-continued use of quinine, and marked by deafness, roaring in the ears, vertigo, etc.

from The Century Dictionary and Cyclopedia

  • n. In pathology, a disturbed condition of the system, characterized by excessive buzzing in the ears, the result of overdoses of cinchona or quinine.


from Wiktionary, Creative Commons Attribution/Share-Alike License

cinchona +‎ -ism


  • Quinine after or during the operation of the pills, in large doses every two or three hours, until deafness or cinchonism ensued, completed the cure.

    A Popular Account of Dr. Livingstone's Expedition to the Zambesi and Its Tributaries

  • Hereditary and constitutional taints of sycosis, scrofula, psora, syphilis; mercurianism, cinchonism, iodism and many other forms of chronic poisoning.

    Nature Cure

  • If Mercer’s cinchonism was fictitious, why should he have gone to London on Friday to see a specialist?

    The Fashion in Shrouds

  • “He called it cinchonism, and Mercer’s still laid up.

    The Fashion in Shrouds

  • He had then developed, or said he had developed, severe cinchonism, which was a peculiar condition inasmuch as any doctor consulted had only the patient’s word for the symptoms experienced — blindness, shakiness, headache, congestion of the middle ear.

    The Fashion in Shrouds

  • I’m going to town to see a specialist about this damned cinchonism, Linda.

    The Fashion in Shrouds


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