quadrillion
quadrillion
[kwɒˈdrɪljən]
(pl. quadrillions或 [与数字连用时]复同单)
quadrillionth
ordinal number
语源
[kwɒˈdrɪljən]
(pl. quadrillions或 [与数字连用时]复同单)
- a thousand raised to the power of five (1015)
1015(1,000的5次幂）
■(dated, chiefly Brit.)a thousand raised to the power of eight (1024)
(旧，主英)1024(1,000的8次幂）
quadrillionth
ordinal number
语源
- late 17th cent.: from French, from million, by substitution of the prefix quadri- 'four' for the initial letters
考试词汇表
