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Original · left

Perimeter (geometry)

The continuous line forming the boundary of a shape.

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

Network perimeter

The boundary between an organization's internal network and the internet.

First in use: the 1990s

Perimeter / Perimeter (geometry) / Network perimeter

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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

The edge of a shape vs. the edge of a network.

Which meaning of Perimeter is the original, and which one is the duplicate riding on its name? Perimeter (geometry) came first (ancient / pre-modern). Network perimeter arrived in the 1990s. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Perimeter (geometry)Network perimeter
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

Perimeter (geometry)

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Duplicate · the 1990s

Network perimeter

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More duplicated terms

Cybersecurity