دیکشنری فارسی

light time

ریشه و کاربرد

ریشه

The word 'light' comes from Middle English 'light', from Old English 'lēoht', from Proto-Germanic 'leuhtaz'. The word 'time' comes from Old English 'tīma', from Proto-Germanic 'tīmô'.

مثال

  • The light time from the Sun to Earth is approximately 8 minutes and 20 seconds.
  • Astronomers use the concept of light time to calculate distances in space.
  • The light time from a distant star can be used to determine its distance from Earth.

تعریف انگلیسی

noun
  1. distance measured in terms of the speed of light (or radio waves) “the light time from Jupiter to the sun is approximately 43 minutes”

همین دیکشنری روی گوشی

همهٔ ۲۹۱٬۲۱۲ واژه، بدون نیاز به اینترنت.

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