Definition from Wiktionary, the free dictionary
|Kanji in this term|
- (economics) index - a single number calculated from an array of prices or of quantities.
- (mathematics) exponent, power - a product of equal factors. Notation and usage: xn, read as "x to the power of n" or "x to the nth power", denotes x × x × ... × x, in which x appears n times, where n is called the exponent; the definition is extended to non-integer and complex exponents.