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
Words nearby power series
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for power series
Thus we may make the power-series commence with 1, if we make the index-series commence with 0.
British Dictionary definitions for 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 +…
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
Scientific definitions for 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.