two-dimensional barcodes
nounA two-dimensional barcode is a square picture of tiny black and white squares that a computer or phone can read to get information.
The museum ticket had a two-dimensional barcode that the scanner read at the gate.
RELATED WORDS
OTHER MEANINGS
2. Machine-readable patterns that store data both horizontally and vertically, unlike traditional one-dimensional barcodes.
Warehouses use two-dimensional barcodes to track thousands of packages quickly.
3. Square codes often printed on tickets, posters, or product labels for quick scanning.
She pointed her phone at the two-dimensional barcode on the poster to open the website.
4. Digital symbols that can hold more information than a standard barcode, such as text or a web link.
The two-dimensional barcode on the box contained the product's serial number and web address.