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单词 light speed
释义

Definition of light speed in English:

light speed

noun ˈlʌɪt ˌspiːd
  • The speed of light. Also (hyperbolically): an extremely high speed.

adjective ˈlʌɪt ˌspiːd
  • Of or relating to the speed of light. Also (hyperbolically): extremely fast.

Origin

Early 20th century; earliest use found in The Frederick Post. From light + speed.

 
 

Definition of light speed in US English:

light speed

nounˈlʌɪt ˌspiːd
  • The speed of light. Also (hyperbolically): an extremely high speed.

adjectiveˈlʌɪt ˌspiːd
  • Of or relating to the speed of light. Also (hyperbolically): extremely fast.

Origin

Early 20th century; earliest use found in The Frederick Post. From light + speed.

 
 
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更新时间:2025/1/27 14:21:13