kilometres per hour

Thân thiện

The car's speedometer shows a reading of 60 kilometres per hour.

Definition

1. Noun:
   • A unit of speed: "kilometres per hour" is a unit of measurement expressing the distance traveled in kilometres in one hour. It is a measure of speed or velocity.

Usage

• "Kilometres per hour" is used to quantify how fast something is moving. It is the standard unit of speed in countries using the metric system.
• It is commonly abbreviated as km/h or kph.
• It is used in contexts such as vehicle speed limits, wind speed measurements, and athletic performance.

Examples

• Noun:
  • The speed limit on this road is 50 kilometres per hour.
  • The hurricane had sustained winds of 120 kilometres per hour.
  • He ran the final kilometre at a pace of 15 kilometres per hour.

Advanced Usage

• "to travel at [number] kilometres per hour": to move at a specific speed.
  • The high-speed train can travel at over 300 kilometres per hour.
• "a top speed of [number] kilometres per hour": the maximum speed achievable.
  • The sports car has a top speed of 350 kilometres per hour.

Variants and Related Words

• km/h: The standard scientific and international abbreviation.
• kph: A common alternative abbreviation, often used in informal contexts or on vehicle speedometers.
• Kilometre (km): A unit of length in the metric system, equal to 1,000 metres.
• Hour (h): A unit of time equal to 60 minutes.

Synonyms

• Speed: The rate at which someone or something moves or operates. (Note: "speed" is the general concept, while "kilometres per hour" is a specific unit for measuring it.)

Related Phrases

• Miles per hour (mph): The imperial unit of speed, equivalent to travelling one mile in one hour.

Học thuật

Noun

1. the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)

Từ đồng nghĩa

• kilometers per hour
• kph
• km/h