# power series

- an infinite series in which the terms are coefficients times successive powers of a given variable, or times products of powers of two or more variables.

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## Origin of power series^{}

First recorded in 1890–95

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

## Examples from the Web for power series

### Historical Examples

#### Thus we may make the power-series commence with 1, if we make the index-series commence with 0.

# power series

- a mathematical series whose terms contain ascending positive integral powers of a variable, such as a 0 + a 1 x + a 2 x ² +…

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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

# power series

- A sum of successively higher integral powers of a variable or combination of variables, each multiplied by a constant coefficient.

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