| 释义 |
light speed noun[ U ] (alsolight-speed, lightspeed)uk /ˈlaɪt ˌspiːd/ us /ˈlaɪt ˌspiːd/(alsospeed of light) the speed at which light travels in a vacuum(= a space in which there is no matter): Light speed is considered to be the maximum speed for any particle to travel according to known physical laws. Magnets propel streams of electrons around the track, accelerating them to near light-speed. an extremely fast speed: at light speedRumours spread around here at light speed. Everything seems to be changing faster than light speed at the moment. She works at a light-speed pace. At first the distortion is hardly noticeable but near light speed it becomes severe. For such particles, infinite energy would be required to slow them down to light-speed. She always exceeds client expectations, is easy to work with and operates at light speed. We live in a culture where definitions of "cool" change at light speed. It is hard to keep ahead of social networking's light-speed expansion. SMART Vocabulary: related words and phrases Speed of motion at full/half throttleidiom briskness burst of speed celerity clip clock ground speed haste hypersonic hypervelocity instantaneous velocity linear velocity momentum pace speed of sound speediness supersonically swiftness throttle velocity
You can also find related words, phrases, and synonyms in the topics: Transferring and transporting objects Fast and rapid |