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Original · left

Redshift (astronomy)

First in use: c. 1912
Duplicate · right

Amazon Redshift

First in use: c. 2012

Redshift / Redshift (astronomy) / Amazon Redshift

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Duplicate share · 12 mo—
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Colour keyGrey · original meaningGreen · duplicate meaningAmber · contested (40–60%)How colours work

Hubble's expanding universe vs. AWS's warehouse.

Which meaning of Redshift is the original, and which one is the duplicate riding on its name? Redshift (astronomy) came first (c. 1912). Amazon Redshift arrived in 2012. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Redshift (astronomy)Amazon Redshift
English Wikipedia pageviews since July 2015 load here.

Duplicate's share of attention

Green line = duplicate's % · above 60 it owns the word · below 40 the original does

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The case for each meaning

Sourced definitions, usage stats and quotes

Original · c. 1912

Redshift (astronomy)

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Duplicate · c. 2012

Amazon Redshift

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More duplicated terms

Cloud & infrastructure