exponential.
Expressed in terms of an exponent (power of a base), the base often being 10 or e.
Meaning & usage
Expressed in terms of an exponent (power of a base), the base often being 10 or e.
In base-10 exponential form, 1,000,000 is written as 10⁶.
If not otherwise specified, "the" exponential function is normally understood to mean eˣ.
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.
There were two deaths on Monday, four on Tuesday, and eight on Wednesday. The rate of increase seems exponential.
Characterised by a very rapid rate of change, especially increase, or merely a very large amount or degree.
There's been an exponential rise in the number of crimes reported this year, compared to last year.
Where this word comes from
Etymology tree English exponent Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālisder. Old French -ialder. Middle English -ial English -ial English exponential From exponent + -ial.
Any function that has an exponent as an independent variable.
Where this word comes from
Etymology tree English exponent Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālisder. Old French -ialder. Middle English -ial English -ial English exponential From exponent + -ial.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.