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power series

noun, Mathematics.
1.
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.
Origin of power series
1890-1895
First recorded in 1890-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for power series

power series

noun
1.
a mathematical series whose terms contain ascending positive integral powers of a variable, such as a0 + a1x + a2x² +…
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
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power series in Science
power series  
A sum of successively higher integral powers of a variable or combination of variables, each multiplied by a constant coefficient.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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10
11
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