# exponential

[ek-spoh-nen-shuh l, -spuh-]

- of or relating to an exponent or exponents.
- Mathematics.
- of or relating to the constant e.
- (of an equation) having one or more unknown variables in one or more exponents.

- rising or expanding at a steady and usually rapid rate:a city experiencing exponential growth.

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- Mathematics.
- the constant e raised to the power equal to a given expression, as e3x, which is the exponential of 3x.
- any positive constant raised to a power.

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## Origin of exponential^{}

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for exponential

### Contemporary Examples

#### The numbers are still small, but the growth has been exponential since the first atheist church service was held in January.

#### Yet the exponential decline in the cost means that the threat posed by the fabrication of lethal bio-pathogens is rising.

#### This trend will only make more sense as the exponential cost drop continues.

#### It has annual revenues exceeding $6 billion, an exponential improvement from the 1990s.

#### Every tiny ounce of pressure added has an exponential effect.

### Historical Examples

#### The energy it would receive from the Sun as it approached, an exponential curve.

The LeechPhillips Barbee

#### It multiplies and surges to its fulfillment at an exponential rate.

The Demi-UrgeThomas Michael Disch

#### The inevitable outcome is an exponential explosion in computing and networking power.

After the RainSam Vaknin

## exponential

- maths (of a function, curve, series, or equation) of, containing, or involving one or more numbers or quantities raised to an exponent, esp e x
- maths raised to the power of e, the base of natural logarithmsSymbol: exp
- of or involving an exponent or exponents
- informal very rapid

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- maths an exponential function, etc

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for exponential

Online Etymology Dictionary, © 2010 Douglas Harper

## exponential

[ĕk′spə-nĕn′shəl]

- Relating to a mathematical expression containing one or more exponents.♦ Something is said to increase or decrease exponentially if its rate of change must be expressed using exponents. A graph of such a rate would appear not as a straight line, but as a curve that continually becomes steeper or shallower.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.