LIGHT-YEAR


Meaning of LIGHT-YEAR in English

I. ˈ ̷ ̷| ̷ ̷ noun

Etymology: light (I)

: a unit of length in interstellar astronomy equal to the distance that light travels in one year in a vacuum or 5,878,000,000,000 miles

II. noun

: an extremely large measure of comparison (as of distance, time, or quality)

two minutes and yet light-years away from the crowded village — Suzanne Patterson

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.