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quadrillion

quadrillion
首字母 q 尾字母 n
英音 [kwɒ'drɪljən]
美音 [kwɑ'drɪljən]

quadrillion[kwɒ'drɪljən]

释义

  • n. 百万之四次方;千的五次方
  • adj. 千之五次方的

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).