Definition

1. Noun:
   • Lightning rod / lightning conductor: A device, typically a metal rod or wire, installed on a high point of a building or structure to safely attract and conduct lightning strikes into the ground, thereby protecting the structure from damage.

Usage Examples

• Noun:
  • Nhà cao tầng nào cũng cần lắp đặt thu lôi. (Every high-rise building needs to have a lightning rod installed.)
  • Cơn bão đã đến, nhưng chúng tôi yên tâm vì đã có thu lôi. (The storm arrived, but we felt at ease because we had a lightning conductor.)
  • Thu lôi trên nóc nhà thờ đã hoạt động hiệu quả. (The lightning rod on the church roof functioned effectively.)

Advanced Usage

• The term "thu lôi" can be part of technical or descriptive compound nouns, though these are considered separate terms.
  • "cột thu lôi": lightning rod mast.

    • Họ đang kiểm tra cột thu lôi. (They are inspecting the lightning rod mast.)

Variants and Related Words

• Cột chống sét (n): Another term for a lightning protection pole, synonymous with "cột thu lôi."
• Hệ thống chống sét (n): Lightning protection system, a broader term that may include a lightning rod as a component.

Synonyms

• Lightning arrester: A device for protecting electrical equipment from lightning-induced surges.
• Paratonnerre: The French-derived technical term sometimes used in Vietnamese contexts.

Related Idioms

• There are no common idioms directly using the word "thu lôi". Its usage is almost exclusively technical and literal.