quintillionn.
英 kwɪn'tɪljən | 美 kwɪn'tɪljən
中文n. 百万的三次方（美、法）；百万的五次方（英、德）
词根词源
quintillion (n.)1670s, from Latin quintus "the fifth" (see quinque-) + ending from million. Compare billion. In Great Britain, the fifth power of a million (1 followed by 30 zeroes); in U.S. the sixth power of a thousand (1 followed by 18 zeroes).
关键词