trillion的词源

英文词源

trillion

1680s, from French trillion, from Italian trilione; see tri- + million. In the U.S., the fourth power of a thousand (one thousand billion, 1 followed by 12 zeroes); in Great Britain, the third power of a million (one million billion, 1 followed by 18 zeroes), which is the original sense. Compare billion.

中文词源

trillion：万亿

tri-, 三，-llion,百万，衍生自 million,原义为 1018，后受 billion 影响缩减为 1012.

该词的英语词源请访问找单词词源英文版：trillion 词源，trillion 含义。