tốc kế

Xe ô tô hiển thị tốc kế ở mức 60 km/h.

Definition

1. Noun:
   • Speedometer: A device in a vehicle that measures and displays its instantaneous speed of travel.
   • Tachometer: A device that measures the working speed of an engine, typically in revolutions per minute (RPM). (Note: In technical contexts, "tốc kế" can be ambiguous and may refer to either instrument depending on context).

Usage Examples

• Noun:
  • Anh nhìn vào tốc kế để kiểm soát tốc độ. (He looked at the speedometer to control his speed.)
  • Tốc kế động cơ đang chỉ 3000 vòng/phút. (The engine tachometer is reading 3000 RPM.)
  • Khi tốc kế vượt quá 100, hệ thống sẽ cảnh báo. (When the speedometer exceeds 100, the system will warn.)

Advanced Usage

• In automotive and engineering fields, the specific type of "tốc kế" is often clarified:
  • "tốc kế xe" or "đồng hồ tốc độ": typically refers to the speedometer.
  • "tốc kế vòng quay" or "tốc kế động cơ": specifically refers to the tachometer.

Variants and Related Words

• Đồng hồ tốc độ (n): Speedometer. A more common, descriptive term for a vehicle's speed indicator.

  • Đồng hồ tốc độ bị hỏng. (The speedometer is broken.)

• Công-tơ-mét (n): Odometer. A device that measures the total distance traveled by a vehicle.

  • Công-tơ-mét cho thấy xe đã chạy 50,000 km. (The odometer shows the car has traveled 50,000 km.)

Synonyms

• Speedometer: An instrument indicating a vehicle's speed.
• Tachometer: An instrument measuring the rotation speed of an engine's crankshaft.

Related Terms

• Dụng cụ đo lường (n): Measuring instrument.
• Bảng đồng hồ (n): Instrument panel or dashboard, where the "tốc kế" is usually located.