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UKLight year
/lˈaɪt jˈiə/
/lˈaɪt jˈɪɹ/Light year
[NOUN]1
the distance that a beam of light travels in a year, equal to 9.46 trillion kilometers
synonyms : light-year
Examples
1. The sound waves, peak to peak, are maybe a hundred thousand light years.
2. But right now, that future is light years away. -
3. The bar is probably about 20,000 light years long.
4. The system itself was light years ahead of its predecessor.
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