billiard
(physics) An approximation to a wave function made by taking a linear combination of simpler functions
A koiné language that evolved among the urban elite in Norwegian cities during the later years of Denmark-Norway (1536–1814).
A later variant of Baudot code.
(Britain, rare) 10¹⁵, a thousand billion (long scale) or a million milliard.
科学者たちは、観測可能な宇宙に存在する星の数をおよそ千兆(10^15)個と推定しており、その数は気が遠くなるほど大きい。
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