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bar code

 
 
noun [C] COMMERCE, IT

Definition

a small rectangular pattern of thick and thin black lines printed on a product, or on its container, so that the details of the product can be read by and recorded on a computer system: Bar codes can be scanned by optical scanners known as bar code readers.
bar coding noun [U] Bar coding is essential for efficient inventory management.
(Definition of bar code noun from the Cambridge Business English Dictionary © Cambridge University Press)

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