# exponential

> English word · Adjective · IPA /ˌɛk.spəˈnɛn.t͡ʃəl/ · frequency rank #18,820

## Definitions
1. Relating to an exponent.
2. Expressed in terms of an exponent (power of a base), the base often being 10 or e.
3. Characterised by a rate of change that is proportional to the value of the varying quantity, or, equivalently, by a doubling or halving over successive fixed intervals of time or other parameter, described as exponential growth or exponential decay.
4. Characterised by a very rapid rate of change, especially increase, or merely a very large amount or degree.

## Etymology
From exponent + -ial.

## Easily confused with
- **exponentially** (https://plainspell.com/en/vs/exponential-vs-exponentially)

## Common misspellings (16)
`epxonential`, `exopnential`, `expnoential`, `expoenntial`, `exponenital`, `exponenntial`, `exponentail`, `exponentiall`, `exponentila`, `exponenttial`, `exponetnial`, `exponnential`, `exponnetial`, `expponential`, `exxponential`, `xeponential`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/exponential