light-speed
UK/'laɪt-spiːd/US
Definitions
n.
The speed at which light travels in a vacuum (about 300,000 km/s)
光速
Root Breakdown
Native Englishlight + speed = the speed of light.
Root light still carries 58 more wordsCommon Collocations
- 1.light-speed communication光速通信
- 2.approach light-speed接近光速
Example Sentences
- 1.
Nothing with mass can travel at light-speed.
- 2.
The starship jumped to light-speed and vanished.