n.
Pronunciation: ik- ' sp ō -n ə nt, ' ek- ˌ
Function: noun
Etymology: Latin exponent-, exponens, present participle of exponere ― more at EXPOSE
Date: 1706
1 : a symbol written above and to the right of a mathematical expression to indicate the operation of raising to a power
2 a : one that expounds or interprets b : one that champions, practices, or exemplifies