geometric series
Americannoun
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an infinite series of the form, c + cx + cx 2 + cx 3 + …, where c and x are real numbers.
noun
Etymology
Origin of geometric series
First recorded in 1830–40
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That Davis exhibited but ultimately painted over the other two works in his geometric series might suggest some dissatisfaction with their admittedly obscure nature.
From Los Angeles Times • Jun. 16, 2025
This situation continues and so leads us to an infinite geometric series.
From Textbooks • May 6, 2020
We cannot find a sum of an infinite geometric series when |r| ≥ 1.
From Textbooks • May 6, 2020
If |r| ≥ 1, the infinite geometric series does not have a sum.
From Textbooks • May 6, 2020
Over the next two hours we submerge ourselves in finding the sums of infinite geometric series, calculating iterate functions, and expanding powers of binomials.
From "The Running Dream" by Wendelin Van Draanen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
