Meaning of light year | Babel Free

Definitions

1. A unit of length (abbreviation ly; equal to just under 10 trillion kilometres (10¹⁶ metres)) equal to the distance light travels in one Julian year; used to measure extremely large distances.
2. A very long way.
   figuratively, in-plural, informal
3. A very long time.
   figuratively, in-plural, informal

Equivalents

Examples

“We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to cosmology, alludes to processes that operate on scales outside of human experience: the millisecond and the nanometer, the eon and the light-year.”

“The marathon runner in the lead is light years ahead of the one at the back.”

“Now that they've graduated, they'll have to make some mature decisions in their future. One of which? Settling on their signature scent that is lightyears away from the $10 body spray they had throughout school.”

“Some of Leonardo da Vinci’s inventions were light years ahead of their time.”

CEFR level