- exponent UK US /ɪkˈspəʊnənt/ noun [C]► a person who supports an idea or belief: an exponent of sth »
Adam Smith was an exponent of free trade.► a person who performs an activity: an exponent of sth »
He is one of Japan's master exponents of the art of sushi.► a number or sign which shows how many times another number is to be multiplied by itself: »
In 6³ and y², 3 and 2 are the exponents.
Financial and business terms. 2012.