geometric series

American  

noun

Mathematics.

1. an infinite series of the form, c + cx + cx 2 + cx 3 + …, where c and x are real numbers.

2. geometric progression.

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geometric series British  

noun

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

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Etymology

Origin of geometric series

First recorded in 1830–40

Example Sentences

It was an imaginative start to designer Satoshi Kondo’s fall show, which began with a geometric series that riffed on this idea of thick lines cut out on clothes.

From Washington Times

In the chapter about rhythm, he ventures into infinite geometric series using dotted rhythms for motivation.

From Scientific American