exponent
〔指數〕
1. exponent
A symbol or number that is placed above the upper right corner of a symbol or number, used to show the power to which the latter is to be raised.
2. index
A statistical value that represents the ratio of an amount of a certain year to an amount of the base year set as 100, that is calculated to clearly show the trend of the amount.
7 more sentences in the app — free account.