quadrillion
英式音标：quadrillion怎么读
美式音标：quadrillion怎么读
quadrillion词义
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n. 百万之四次方；千的五次方adj. 千之五次方的
词态变化
复数: quadrillions;
中文词源
quadrillion 千的五次幂(1015)
quadr-,四，-illion,百万，缩写自million.此处为million乘以三次1000.比较billion,trillion.
quadrillion英文词源
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- quadrillion (n.)
- 1670s, from French quadrillion (16c.) from quadri- "four" (see quadri-) + (m)illion. Compare billion. In Great Britain, the fourth power of a million (1 followed by 24 zeroes); in the U.S., the fifth power of a thousand (1 followed by 15 zeroes).