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Original · left

Rust (oxidation)

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

Rust (programming language)

First in use: c. 2010

Rust / Rust (oxidation) / Rust (programming language)

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

Iron oxide vs. memory safety.

Which meaning of Rust is the original, and which one is the duplicate riding on its name? Rust (oxidation) came first (ancient / pre-modern). Rust (programming language) arrived in 2010. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Rust (oxidation)Rust (programming language)
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

Rust (oxidation)

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Duplicate · c. 2010

Rust (programming language)

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More duplicated terms

Programming & software