exponent

Từ điển American Heritage Dictionary 4th

ex·po·nent (ĭk-spōʹnənt, ĕkʹspō'nənt)n.
1. One that expounds or interprets.
2. One that speaks for, represents, or advocates:
Our senator is an exponent of free trade.
3. Abbr. exp 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.adj.
Expository; explanatory. [Latin expōnēns, expōnent- present participle of expōnere, to expound. See expound.]

• Từ đồng nghĩa / Synonyms:
  power, index, advocate, advocator, proponent