2D barcode

American  

[too-dee bahr kohd] / ˈtuˈdi ˈbɑr ˌkoʊd /

Or 2-D barcode

noun

1. a barcode that stores data both horizontally and vertically.

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Etymology

Origin of 2D barcode

First recorded in 1990–95

Example Sentences

These coins, made of pure gold, weigh one ounce each and have their private keys engraved on the back in 2D barcode, enabling the owners to access them by scanning using smartphones  – the images were pixelated for anyone who intend to try his luck.

From Forbes

This allowed for the technology of the Starbucks wallet to only need to faithfully display a custom 2D barcode.

From Forbes

Benjamin took the very simple 2D barcode and inverted the use case that most companies were using. 

From Forbes

This was a maverick move at the time as most technologists were laughing at the 2D barcode and the way it was used.

From Forbes

By allowing the register to scan the 2D barcode rather then the user scan a 2D barcode. 

From Forbes