Definition

1. Verb:
   • To vaccinate, to inoculate: The primary meaning of "chủng" is to administer a vaccine or introduce a substance (like a weakened pathogen) into a body to induce immunity against a specific disease.
   • To plant, to sow (seeds): In a broader, less common biological or agricultural sense, "chủng" can mean to plant or sow seeds, implying the act of introducing something to grow.

Usage Examples

• Verb (Medical):
  • Trẻ em cần được chủng ngừa đầy đủ. (Children need to be fully vaccinated.)
  • Bác sĩ sẽ chủng vắc-xin cúm cho bệnh nhân. (The doctor will inoculate the patient with the flu vaccine.)
• Verb (Biological/Agricultural):
  • Người nông dân chủng hạt giống mới vào mùa xuân. (The farmer sows the new seeds in spring.)

Advanced Usage

• "chủng đậu": This is a historical/colloquial term specifically meaning "to inoculate against smallpox." While smallpox is eradicated, the phrase is still understood.
  • Ông bà tôi từng phải chủng đậu. (My grandparents had to be inoculated against smallpox.)

Variants and Related Words

• Tiêm chủng (n/v): Vaccination / to vaccinate (more common modern term combining "tiêm" - inject - and "chủng").
  • Chiến dịch tiêm chủng mở rộng rất quan trọng. (The expanded vaccination campaign is very important.)
• Chủng loại (n): Category, type, species (from the noun form "chủng" meaning species/kind).
  • Cửa hàng có nhiều chủng loại trái cây. (The store has many varieties of fruit.)
• Chủng ngừa (v/n): To prevent by vaccination / prophylaxis vaccination.
  • Chủng ngừa là biện pháp phòng bệnh hiệu quả. (Vaccination is an effective disease prevention measure.)
• Chủng tộc (n): Race, ethnicity (a distinct compound word).
  • Mọi chủng tộc đều bình đẳng. (All races are equal.)

Synonyms

• Tiêm phòng: To inject for prevention (a near-synonym in the medical context).
• Gieo trồng: To sow and plant (a synonym in the agricultural sense).

Related Phrases (Phrasal Verbs)

• Chủng vào: To inoculate/vaccinate into.
  • Y tá chủng vào cánh tay. (The nurse inoculates into the arm.)

Related Idioms

Note: There are no common idioms directly using the verb "chủng" in isolation. Its usage is primarily technical (medical/biological).

verb

1. To vaccinate, to inoculate
   • chủng đậu
     to inoculate against smallpox