barcode
/ˈbɑɹ.koʊd/ noun C2- Any set of machine-readable parallel bars or concentric circles, varying in width, spacing, or height, encoding information according to a symbology.
- A portion of a gene that identifies a particular species.
- An instance of self-harm, typically with multiple parallel cuts along a line, similar in form to a machine barcode.
Plural barcodes
From the library
The barcode was invented by two graduate students, Norman Joseph Woodland and Bernard Silver, in the late 1940s.
The first product ever scanned with a UPC barcode was a pack of chewing gum, which was sold in a supermarket in Troy, Ohio, on June 26, 1974.
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