Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “exponential”

See all translations

exponential

adjective uk   /ˌek.spəˈnen.ʃəl/ us    /-spoʊ-/

exponential adjective (INCREASE)

formal An exponential rate of increase becomes quicker and quicker as the thing that increases becomes larger: We are looking for exponential growth in our investment. There has been an exponential increase in the world population this century.

exponential adjective (NUMBER)

specialized mathematics containing an exponent (= a number or sign that shows how many times another number is to be multiplied by itself): 64 is an exponential expression.
exponentially
adverb uk   /-i/ formal us  
Malthus wrote about the risks involved in the world's population increasing exponentially.
(Definition of exponential from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of exponential?
Add Cambridge dictionaries to your browser to your website

Definitions of “exponential” in other dictionaries

Word of the Day

piglet

a baby pig

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More