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Original · left

Tesseract (4D cube)

The four-dimensional analogue of a cube, also called a hypercube.

First in use: c. 1888
Duplicate · right

Tesseract (OCR)

An open-source optical character recognition engine, first developed at HP and later sponsored by Google.

First in use: c. 1985

Tesseract / Tesseract (4D cube) / Tesseract (OCR)

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

The four-dimensional cube also reads text from images.

Which meaning of Tesseract is the original, and which one is the duplicate riding on its name? Tesseract (4D cube) came first (c. 1888). Tesseract (OCR) arrived in 1985. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Tesseract (4D cube)Tesseract (OCR)
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 · c. 1888

Tesseract (4D cube)

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Duplicate · c. 1985

Tesseract (OCR)

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