Definition of exponential
1 : of or relating to an exponent
2 : involving a variable in an exponent 10x 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
exponentiallyplay \ˌek-spə-ˈnen(t)-sh(ə-)lē\ adverb
Examples of exponential in a Sentence
The business has experienced several years of exponential growth.
Prices have increased at an exponential rate.
103 is an exponential expression.
Recent Examples of exponential from the Web
The use of wind and solar energy for this purpose has increased exponentially — but exponential growth in small industries is easy over the short term.
VCSELs are now on the same dizzyingly exponential curve.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exponential'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of exponential
EXPONENTIAL Defined for English Language Learners
Definition of exponential for English Language Learners
: very fast : increasingly rapid
mathematics : including or using an exponent
Seen and Heard
What made you want to look up exponential? Please tell us where you read or heard it (including the quote, if possible).