Definition

1. Noun:
   • Idiosyncrasy (medical): A specific, unusual, and often adverse physical reaction to a particular substance, such as a drug, food, or environmental factor, that is not typical of the general population. It refers to a personal, peculiar sensitivity.

Usage Examples

• Noun:
  • Bệnh nhân có đặc ứng với penicillin. (The patient has an idiosyncrasy to penicillin.)
  • Đặc ứng này rất hiếm gặp và khó dự đoán. (This idiosyncrasy is very rare and difficult to predict.)

Advanced Usage

• The term is primarily used in medical and clinical contexts to describe atypical individual reactions, often in pharmacology or allergology.

Variants and Related Words

• Phản ứng dị ứng (n): Allergic reaction. (Note: This is a more common and broader term for hypersensitivity, while implies a more unique, individual peculiarity.)
• Không dung nạp (n): Intolerance.

Synonyms

• Idiosyncrasy: A mode of behavior or way of thought peculiar to an individual; in medicine, an abnormal physical reaction.
• Hypersensitivity (specific): An exaggerated immune response.
• Individual peculiarity: A characteristic specific to one person.

Related Idioms