quadrillion
英[kw?'dr?lj?n]
美[kwɑ'dr?lj?n]
- n. 百萬之四次方；千的五次方
- adj. 千之五次方的
英英釋意
- 1. the number that is represented as a one followed by 24 zeros;
- "in England they call a septillion a quadrillion"
- 2. the number that is represented as a one followed by 15 zeros