rayleigh
A surname.
A fellow drinker; one who accompanies another person in drinking alcohol.
(physics, astronomy) A unit of brightness (of the sky at night) equal to 10¹⁰/4π quanta per square meter per second per steradian
plural of lipoquinone
観測所は極光の際に、空の明るさを夜空の明るさを示す標準単位（値は10¹⁰に相当）で50と測定した。
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DiQt
Free
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