exponential
/ˌɛk.spəˈnɛn.t͡ʃəl/ adjective C1- 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. · Near-synonyms: extreme, huge· There's been an exponential rise in the number of crimes reported this year, compared to last year.
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