exponent
🇺🇸
/ɪkˈspəʊnənt/
🇬🇧
/ɪkˈspəʊnənt/
a person who supports and explains an idea to others
She was a key exponent of free trade, explaining its benefits to many people.
a person who is very skilled at something
He is a top exponent of the Japanese flute, playing it with great skill.
a small number written above and to the right of another number to show how many times to multiply it by itself
In the number 2³, the exponent 3 means 2 multiplied by itself three times.