adj.
Pronunciation: ˌ ek-sp ə - ' nen-ch ə l
Function: adjective
Date: 1704
1 : of or relating to an exponent
2 : involving a variable in an exponent <10 x is an exponential expression>
3 : expressible or approximately expressible by an exponential function especially : characterized by or being an extremely rapid increase (as in size or extent) <an exponential growth rate>
– ex · po · nen · tial · ly \ - ' nench-( ə -)l ē \ adverb