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geometric series

noun Mathematics.
  1. an infinite series of the form, c + cx + cx2 + cx3 + …, where c and x are real numbers.
  2. geometric progression.

Origin of geometric series

First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for geometric series

geometric series

noun
  1. a geometric progression written as a sum, as in 1 + 2 + 4 + 8
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