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Original · left

Swimming pool

A concrete basin filled with chlorinated water for recreation and swimming.

First in use: ancient / pre-modern
Duplicate · right

Pool (computing)

A pre-allocated cache of persistent system connections (like database handles or worker threads) kept ready for reuse.

First in use: the 1980s

Pool / Swimming pool / Pool (computing)

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

Swimming vs. connection pools.

Which meaning of Pool is the original, and which one is the duplicate riding on its name? Swimming pool came first (ancient / pre-modern). Pool (computing) arrived in the 1980s. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Swimming poolPool (computing)
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

Share-of-attention line loads here.

The case for each meaning

Sourced definitions, usage stats and quotes

Original · ancient / pre-modern

Swimming pool

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Duplicate · the 1980s

Pool (computing)

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More duplicated terms

Cloud & infrastructure