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Original · left

Flutter (signal wobble)

A rapid, unwanted variation in the pitch or level of a signal, heard as wavering sound on tape or radio.

First in use: the 1900s
Duplicate · right

Flutter (framework)

Google's open-source framework for building mobile, web and desktop apps from one Dart codebase.

First in use: c. 2017

Flutter / Flutter (signal wobble) / Flutter (framework)

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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

Google's UI toolkit now owns the word almost completely.

Which meaning of Flutter is the original, and which one is the duplicate riding on its name? Flutter (signal wobble) came first (the 1900s). Flutter (framework) arrived in 2017. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Flutter (signal wobble)Flutter (framework)
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 · the 1900s

Flutter (signal wobble)

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Duplicate · c. 2017

Flutter (framework)

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More duplicated terms

Programming & software