mph

Thân thiện

The car's speedometer shows 55 mph.

Definition

Noun 1. Miles per hour: A unit of speed expressing the number of miles traveled in one hour. It is used to measure the rate of motion, particularly for vehicles. 2. A speedometer reading: The numerical value shown on a vehicle's speedometer, indicating the instantaneous rate of travel in miles per hour.

Usage Examples

• As a unit of measurement:
  • The speed limit on this highway is 65 mph.
  • The storm's winds were recorded at 120 mph.
• As a speedometer reading:
  • He glanced at the dashboard and saw he was doing 50 mph.
  • The needle on the speedometer was steady at 70 mph.

Advanced Usage

• In technical or scientific contexts, "mph" is often converted to other units like kilometers per hour (km/h) or meters per second (m/s) for international standardization.
  • The car's top speed of 155 mph is equivalent to approximately 250 km/h.

Variants and Related Words

• km/h (kilometers per hour): The metric unit equivalent for measuring speed.
• knot: A unit of speed used in navigation, equal to one nautical mile per hour.
• Velocity: A physics term for the speed of an object in a given direction.

Synonyms

• Miles an hour (full written form)
• Speed (general concept, not a unit)

Notes on Different Meanings

• The abbreviation "mph" has only one core meaning related to speed measurement. It is not used as a phrasal verb or in common idioms. Its usage is specific to quantifying rate of travel.

Học thuật

Noun

1. a speedometer reading for the momentary rate of travel
2. the ratio of the distance traveled (in miles) to the time spent traveling (in hours)

Từ đồng nghĩa

• miles per hour