LIGHT YEAR
\lˈa͡ɪt jˈi͡ə], \lˈaɪt jˈiə], \l_ˈaɪ_t j_ˈiə]\
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the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
By Princeton University
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the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
By DataStellar Co., Ltd
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.