首页英语词典quadrillionquadrillion的意思

quadrillion

英 [kwɒ'drɪljən] 美[kwɑ'drɪljən]
  • 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.

英文词源


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).