A number, letter, or any quantity written on the right hand of and above another quantity, and denoting how many times the latter is repeated as a factor to produce the power indicated
- One that expounds or interprets.
- One that speaks for, represents, or advocates: Our senator is an exponent of free trade.
- Mathematics A number or symbol, as 3 in (x + y)3, placed to the right of and above another number, symbol, or expression, denoting the power to which that number, symbol, or expression is to be raised. Also called power.
- Expository; explanatory.