Definition

Noun: 1. Quinine: A bitter alkaloid extracted from the bark of the cinchona tree, historically used as the primary treatment for malaria. 2. Quinine (salt): A salt form of this alkaloid, used as a medication, particularly for treating malarial fevers.

Usage Examples

• Noun:
  • Ký ninh có vị rất đắng. (Quinine has a very bitter taste.)
  • Trước đây, ký ninh là thuốc chữa sốt rét chính. (In the past, quinine was the main medicine for malaria.)
  • Bác sĩ kê đơn thuốc có chứa ký ninh. (The doctor prescribed medicine containing quinine.)

Advanced Usage

• The word "ký ninh" is a direct phonetic loanword from the French "quinine". It is a specialized term used primarily in medical, pharmaceutical, and historical contexts.
• While its primary medical use has been superseded by more modern antimalarial drugs, quinine is still found in some medications and is famously used as a flavoring agent in tonic water.

Variants and Related Words

• Cây canh-ki-na / Cinchona tree: The tree from whose bark quinine is extracted.
• Thuốc sốt rét / Antimalarial drug: The general category of medicine for malaria, which includes quinine.
• Nước tonic / Tonic water: A carbonated beverage containing quinine, giving it a characteristic bitter taste.

Synonyms

• Quinine sulfate: A specific salt form of quinine commonly used in medicine.
  • Ký ninh sulfat thường được dùng trong điều trị. (Quinine sulfate is often used in treatment.)

Related Phrases / Idioms

• Vị đắng như ký ninh: (As bitter as quinine) – An idiom used to describe something extremely bitter.
  • Thuốc này đắng như ký ninh. (This medicine is as bitter as quinine.)

noun

1. quinine