1.
speed per second; meters per second
A unit of speed measuring the distance traveled per second. Often expressed as 秒速〜メートル (~ meters per second).
光は秒速約30万キロメートルだ。
Light travels at approximately 300,000 kilometers per second.
台風の風速は秒速50メートルに達した。
The wind speed of the typhoon reached 50 meters per second.
音の速さは空気中で秒速約340メートルだ。
The speed of sound in air is approximately 340 meters per second.
USAGE:
Used in scientific contexts and weather reports. Wind speed in Japan is typically expressed in 秒速 (meters per second), unlike some countries that use kilometers per hour.
COMMON COLLOCATIONS:
- 秒速〜メートル (~ meters per second)
- 秒速〜キロメートル (~ kilometers per second)
SIMILAR WORDS:
- 時速: speed per hour — kilometers per hour
- 分速: speed per minute — meters per minute
- 風速: wind speed — the speed of wind